164423

Appears in sequences

• Quasi-Carmichael numbers to base -7: squarefree composites n such that prime p|n ==> p+7|n+7.at n=25A029567
• Number of non-equivalent ways to place 7 non-attacking ferses on an n X n board.at n=5A278686
• Triangle read by rows T(n, k) = number of non-equivalent ways to place k non-attacking ferses on an n X n board.at n=44A278688