G.f. A(x) satisfies: 0 = Sum_{n=-oo..+oo} x^(n^2) * (x^n - (-1)^n*A(x))^(n+1).
A355152
G.f. A(x) satisfies: 0 = Sum_{n=-oo..+oo} x^(n^2) * (x^n - (-1)^n*A(x))^(n+1).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =21a(4) =77a(5) =310a(6) =1308a(7) =5710a(8) =25605a(9) =117232a(10) =545719a(11) =2575126a(12) =12289906a(13) =59218913a(14) =287699288a(15) =1407690851a(16) =6930731921a(17) =34311193558a(18) =170691635544a(19) =852874403933
External references
- oeis: A355152