23067

Appears in sequences

• Index k of the first occurrence of A019565(2n-1) as the smallest term that makes prime(k)-A019565(2n-1) prime.at n=24A103792
• Number of permutations of length n which avoid the patterns 1234, 3421, 4312.at n=33A116756
• Ulam's spiral (NNW spoke).at n=38A143860
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 10101-11111 pattern in any orientation.at n=19A147425
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 0, 1), (0, -1, 0), (0, 1, -1), (1, 1, 1)}.at n=8A149762
• Number of (2+1) X (n+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=32A258555
• Number of integer partitions of n with one fewer distinct multiplicities than distinct parts.at n=46A325244