297025

Appears in sequences

• Crystal ball sequence for D_4 lattice.at n=16A007204
• Odd squares not in A113659.at n=20A103962
• Numerator of Sum_{k=1..n} 1/2^((k^2 + 3*k)/2).at n=4A178185
• Number of n X 6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=9A207597
• Number of quadruples (w,x,y,z) with all terms in {0,...,n} such that w-x, x-y, and y-z all have the same parity.at n=32A212893
• Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=13A258886
• Square numbers of the form prime(k) + 2*prime(k+1).at n=21A284057
• Number of spanning trees of the graph of the n-th Johnson solid.at n=4A343209
• Powerful numbers (A001694) whose sum of aliquot powerful divisors (including 1) is larger than 1 and is also powerful.at n=11A349110