56138

Appears in sequences

• Number of (n+2)X(2+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000101 00010001 or 00010101.at n=9A260603
• Number of multiset partitions of normal multisets of size n such that all blocks have the same size.at n=9A317583
• a(n) is the numerator of (120*n^2 + 151*n + 47)/(512*n^4 + 1024*n^3 + 712*n^2 + 194*n + 15).at n=21A374580