a(16) = 683311.
a(16)/a(15) = 4.32.
This is compatible with the pattern so far (peaks at n=2^k):
+ + A A
+ + AA AA A
+ + A A AA A
+4+ A A A A A
+ + A A A AA A
+ + A A A A A
+ + A A A A A
+3+ A A A A A A
+ + AA A A A A A
+ + A A A AAA A A A
+ + A A A AAAA A AAAAA A
+ + A A A A A AAAAAAAAAAAAAAAAAA A
+2+ A A A A A A A
+ + A A AAA A A
+ + A A A A
+ + A AA
+1+AA A
+ +
+ +
+ +
+ +
+ +-+-+-+-++-+-+-+-++-+-+-++-+-+-+-++-+-+-++-+-+-+-++-+-+-++-+-+-+-++-+
2 4 6 8 10 12 14 16
Alois
Am 27.01.2012 19:13, schrieb Ron Hardin:
> I get 1 1 3 5 23 61 143 215 995 2481 5785 12907 29279 64963 144289 158049 which
> agrees with the series.