G.f. A(x) = exp( Sum_{n>=1} (n^2 - A384819(n))*x^n/n ) where A384819(k) < k for k >= 1 such that A(x) is a power series with integral coefficients.
A384820
G.f. A(x) = exp( Sum_{n>=1} (n^2 - A384819(n))*x^n/n ) where A384819(k) < k for k >= 1 such that A(x) is a power series with integral coefficients.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =14a(6) =25a(7) =43a(8) =74a(9) =124a(10) =205a(11) =335a(12) =543a(13) =869a(14) =1379a(15) =2170a(16) =3388a(17) =5249a(18) =8079a(19) =12353a(20) =18776a(21) =28375a(22) =42651a(23) =63782a(24) =94923a(25) =140614a(26) =207384a(27) =304578a(28) =445528a(29) =649200
External references
- oeis: A384820