44775

Appears in sequences

• Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 1111-1111 pattern in any orientation.at n=25A146938
• Number of length 6+2 0..n arrays with every three consecutive terms having the sum of some two elements equal to twice the third.at n=23A248439
• Number of points of norm <= n in the bi-truncated cubic honeycomb (3-dimensional lattice, with truncated-octahedral cells).at n=22A276450
• a(n) = [x^(n^4)] Product_{k=1..n} (x^(k^4) + 1/x^(k^4)).at n=36A368348
• Expansion of (1/x) * Series_Reversion( x * (1-x)^3 / (1-x+x^3)^3 ).at n=13A369232