37405
domain: N
Appears in sequences
- Column 1 of triangle A091604.at n=30A091611
- Numbers k such that 2*10^k + 4*R_k - 1 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=14A102953
- Matrix square of triangle A136220, read by rows.at n=22A136225
- Column 1 of triangle A136225; also equals column 0 of triangle A136230.at n=5A136227
- Matrix square of triangle V = A136230, read by rows.at n=15A136234