279241

Appears in sequences

• Number of positions in game "Connect Four" (played on usual 6-row, 7-column board) after n moves, up to reflection.at n=9A013582
• Least number k > 1 (that is not the power of prime p) such that k divides (p+1)^k-1, where p = prime(n).at n=9A128356
• Least number k > n such that k^2 divides n^k - 1.at n=27A128452