119229
domain: N
Appears in sequences
- Numbers k such that k and k^2 use only the digits 1, 2, 4, 5 and 9.at n=15A136991
- a(n) = (n^5 + 145*n^4 + 905*n^3 + 155*n^2 + 594*n + 120)/120.at n=16A143060
- 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), (-1, 1, -1), (1, 0, -1), (1, 0, 1)}.at n=10A149149