96885
domain: N
Appears in sequences
- Sum_{i for which n - i*(i-1)/2 >= 0} binomial (n - i*(i-1)/2, i).at n=34A063978
- G.f. satisfies: A(x) = (1+x) * A(x^2)*A(x^3)*A(x^4)*...*A(x^n)*...at n=42A129373
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 1, 1), (1, -1, -1), (1, 0, -1)}.at n=10A148879
- a(n) is the n-th term of the n-fold self-convolution of the twice left-shifted tribonacci sequence (A000073).at n=8A341266