87392

Appears in sequences

• Number of subsets of {1,2,3,...,n} that sum to 0 mod 6.at n=19A068012
• Number of subsets of {1,2,3,...,n} that sum to 0 mod 12.at n=20A068033
• Numbers n such that A003313(3n) < A003313(n).at n=18A104699
• Numbers k such that A003313(k) = A003313(6*k).at n=18A116461
• a(n) = n*(8*n^2 + 1)/3.at n=32A143166
• G.f. A(x) satisfies: 4*x = Sum_{n=-oo..+oo} (-1)^n * x^(n*(n+1)/2) * A(x)^n.at n=6A355354