29940
domain: N
Appears in sequences
- Erroneous version of A173380.at n=11A002932
- Least positive k such that k * [RSA-640]^n - 1 is prime, where RSA-640 is the 193 decimal digit RSA challenge number A391940(14).at n=31A108573
- Numbers n such that P(13*n) is prime, where P(n) is the unrestricted partition number.at n=21A113518
- 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, 0, 0), (1, 1, -1)}.at n=10A148336
- Number of n-step walks on square lattice (no points repeated, no adjacent points unless consecutive in path).at n=11A173380
- Number of tilings of a 5 X n rectangle using n pentominoes of shapes F, L, Y.at n=13A247443
- Number of (n+2) X (1+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically.at n=36A253503
- a(n) = Sum_{k=0..n} 3^k * binomial(2*n+1,n-k).at n=6A377011