151276

Appears in sequences

• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0), ending on the vertical axis and consisting of n steps taken from {(-1, -1), (-1, 0), (-1, 1), (0, -1), (0, 1), (1, -1), (1, 0)}.at n=9A151489
• Triangle read by rows: T(n,k) is the number of descent sequences of length n with exactly k-1 descents, n>=1, 1<=k<=n.at n=71A225624
• a(n) = n! * [x^n] 1 / (1 - Sum_{k=1..n} log(1 + k*x)).at n=4A331341