23262

Appears in sequences

• Magnetization for cubic lattice.at n=12A002929
• Number of ordered 5-tuples of integers from [ 2,n ] with no common factors among quadruples.at n=18A015655
• Numbers k for which 2^k + 3^k + 4^k is prime.at n=12A081507
• Triangle read by rows: T(n,k) (n>=2, k=0..n-1) gives number of biconnected graphs on n nodes with chromatic number n-k.at n=32A126749
• Number of biconnected graphs on n nodes with chromatic number 5.at n=8A126753
• The number of 1's in the n-th stage of A164349.at n=16A164363
• Composite numbers k such that P(k, 7) == 7 (mod k), where P(k, 7) = A084768(k) is the k-th Legendre polynomial evaluated at 7.at n=18A330205
• Number of integer partitions of n that can be partitioned into distinct pairs of (possibly equal) parts.at n=44A338916
• Numbers with arithmetic derivative which is a palindromic prime number (A002385).at n=41A359332