87043

Appears in sequences

• T(n,n-5), array T as in A038792.at n=26A038795
• Number of n X 2 (-1,0,1) arrays of determinants of 2 X 2 subblocks of some (n+1) X 3 binary array with rows and columns of the latter in lexicographically nondecreasing order.at n=19A226866
• Numbers n such that 3^(n - 3) is congruent to 1 modulo n.at n=4A242865
• Number of permutations of [n] avoiding {1243, 2314, 3412}.at n=12A294693
• a(n) = Sum_{k=0..n} binomial(5*n+k+1,n-k).at n=5A390334