36236
domain: N
Appears in sequences
- Numbers k such that 5*10^k + 2*R_k + 5 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=20A103010
- Boustrophedon transform of Hamming weight (A000120).at n=9A230952
- Number of nX6 0..1 arrays with every element unequal to 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=16A317739