179478

Appears in sequences

• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 00100-00100-11111-00100 pattern in any orientation.at n=19A147330
• Number of arrays of 5 integers in -n..n with sum zero and the sum of every adjacent pair being odd.at n=22A202077
• a(n) = 3*n^3 + n^2.at n=39A294315