Numerators of coefficients of expansion of exp( Sum_{k=0..oo} x^(2^k)/2^k ) in powers of x.
A256400
Numerators of coefficients of expansion of exp( Sum_{k=0..oo} x^(2^k)/2^k ) in powers of x.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =7a(6) =16a(7) =67a(8) =88a(9) =617a(10) =2626a(11) =18176a(12) =6949a(13) =423271a(14) =2172172a(15) =19151162a(16) =58438907a(17) =899510224a(18) =7656246634a(19) =1236339998a(20) =460251204914
External references
- oeis: A256400