129815
domain: N
Appears in sequences
- a(n) = Sum_{k=0..n} (k+1) * A026758(n, k).at n=13A027235
- 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, 0, 0), (-1, 0, 1), (0, 0, -1), (1, -1, 1), (1, 1, 1)}.at n=9A149774
- Odd numbers n such that q(n)^2 = q(n^2) != 0, where q(n) is the digit product on base 10.at n=22A278316