40642

Appears in sequences

• Numbers k such that 267*2^k + 1 is prime.at n=34A053350
• B-trees of order 5 with n labeled leaves.at n=21A058521
• a(n) = A086323(n)/n.at n=19A086442
• Number of pairs (f,g) of commuting maps {0,..,n-1}->{0,..,n-1} with 0 <= f(k), g(k) <= k.at n=6A244524
• Indices where the cumulative sum of cos(2k+1)^(2k+1) reaches a record high value.at n=37A389559