1829520
domain: N
Appears in sequences
- Number of triangle-free trivalent (or cubic) graphs with 2n labeled nodes.at n=5A006903
- Erroneous version of A006903.at n=5A007103
- Triangle giving number of labeled trees with n >= 3 nodes and diameter d >= 2.at n=25A034854
- a(n) = count of numbers formed using the digits of next n numbers.at n=5A081992
- a(n) is the least number k such that A373092(k) = n.at n=7A373094
- E.g.f. satisfies A(x) = 1/(1 - x*(exp(x^2*A(x)) - 1)).at n=9A375833
- Conductor of elliptic curve y^2 = x^3 - n*x - n.at n=32A387891