Golden rectangle numbers: F(n)*F(n+1), where F(n) = A000045(n) (Fibonacci numbers).
0, 1, 2, 6, 15, 40, 104, 273, 714, 1870, 4895, 12816, 33552, 87841, 229970, 602070
1 seqfan posts
Sat Oct 24 23:21:26 CEST 2009 [seqfan] Re: more on double factorials/Penson