[seqfan] Re: A099856 comes up

[Ron Hardin]

 rhhardin at mindspring.com
rhhardin at att.net (either)



----- Original Message ----
> From: Ron Hardin <rhhardin at att.net>

> > ... (no need for  any
> > ongoing computation?)  ....
> 
> It's a small case in a suite of cases with different  parameters.
> 
> Whatever comes up, comes  up.

which seems to be

1,60,3120,231720,20495520
1/6 the number of nXn arrays of integers in 1..6 with no element or any of its 
neighbors having the same value

1,6,18,54,162,486,1458,4374,13122,39366,118098,354294,1062882,3188646,
9565938,28697814,86093442,258280326,774840978,2324522934,6973568802,
20920706406,62762119218,188286357654,564859072962,1694577218886
1/20 the number of nX2 arrays of integers in 1..5 with no element or any of its 
neighbors having the same value

1,21,156,1236,9552,74568,579792,4515312,35141952,273573984,2129509056,
16576843584,129037857024,1004466036864,7819018652928,60865289156352,
473791157511168,3688113552987648,28709232900123648,223480124314162176
1/120 the number of nX3 arrays of integers in 1..6 with no element or any of its 
neighbors having the same value

4,147,1236,11586,100704,909780,8061360,72279888,644409672,5763665256,
51460343508,459865182720,4107418650972,36696235666668,327803328407400,
2928457191806580,26160556962790800,233703185202652428
1/120 the number of nX4 arrays of integers in 1..6 with no element or any of its 
neighbors having the same value

16,1029,9552,100704,1024776,10723548,111445788,1160999268,12085321572,
125841370716
1/120 the number of nX5 arrays of integers in 1..6 with no element or any of its 
neighbors having the same value

64,7203,74568,909780
1/120 the number of nX6 arrays of integers in 1..6 with no element or any of its 
neighbors having the same value

I suppose the last could steal the 6th term from the previous instead of working 
on it (now) de novo.