418220
domain: N
Appears in sequences
- Number of ways to place 3 nonattacking kings on an n X n board.at n=12A061996
- Threefold convolution of A004148 (the RNA secondary structure numbers) with itself.at n=15A098075
- Starting points of stapled intervals of length 17.at n=27A194585
- Totient numbers k such that 10*k is a nontotient.at n=16A350320