48257
domain: N
Appears in sequences
- Numbers n such that (6^n-1)^2-2 is prime.at n=19A100901
- 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), (0, 1, 0), (1, 0, 0)}.at n=9A149967
- Numbers k such that Sum_{i=1..k} i^9 divides Product_{i=1..k} i^9.at n=14A166609
- a(n) = (4*n + 3)*(1 + 2*n^2)/3.at n=26A168574
- Number of singular 2 X 2 matrices having all elements in {-n,...,n}.at n=32A209981
- Number of compositions of n with equal differences up to sign.at n=50A325557