Expansion of c(7*x^2)/(1 - x*c(7*x^2)), where c(x) is the g.f. of A000108.
A132374
Expansion of c(7*x^2)/(1 - x*c(7*x^2)), where c(x) is the g.f. of A000108.
Terms
- a(0) =1a(1) =1a(2) =8a(3) =15a(4) =120a(5) =274a(6) =2192a(7) =5531a(8) =44248a(9) =118686a(10) =949488a(11) =2654646a(12) =21237168a(13) =61189668a(14) =489517344a(15) =1443039123a(16) =11544312984a(17) =34648845862a(18) =277190766896a(19) =844131474530
External references
- oeis: A132374