137539

Appears in sequences

• Minimum positive integer such that length of the gap described at A109322 is exactly n (in contrast to A109322 where the gap length is >= n).at n=21A110875
• Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1001-1111 pattern in any orientation.at n=12A146621
• Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 1001-1111 pattern in any orientation.at n=26A146623