17953

Appears in sequences

• Numerators of continued fraction convergents to sqrt(718).at n=7A042382
• Row 4 of square array defined in A047671.at n=11A047673
• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1000-1111-0001 pattern in any orientation.at n=15A147273
• a(n) = 1 + n*(n+1)*(n-1)/2.at n=33A158842
• Positions where A163890 obtains distinct new values.at n=21A163891
• Record values of A163894.at n=10A163896
• Centered 32-gonal numbers.at n=33A195315
• Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having a sum of zero, with rows and columns of the latter in lexicographically nondecreasing order.at n=25A227121
• G.f. satisfies: A(x)^2 = x + A(x*A(x)^4).at n=5A241996
• Number of length 2+2 0..n arrays with some pair in every consecutive three terms totalling exactly n.at n=23A245871
• Odd numbers k such that sigma(k) + sigma(k+2) > 2*sigma(k+1); odd terms in A053228.at n=41A358395