Expansion of e.g.f.: exp( Sum_{n>=0} x^(n^2+1)/(n^2+1) ).
A214724
Expansion of e.g.f.: exp( Sum_{n>=0} x^(n^2+1)/(n^2+1) ).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =10a(5) =50a(6) =220a(7) =1240a(8) =6140a(9) =32860a(10) =602200a(11) =5668400a(12) =62030200a(13) =522328600a(14) =4487190800a(15) =62591332000a(16) =715163146000
External references
- oeis: A214724