52029

Appears in sequences

• Triangle read by rows: number of permutation trees of power n and height <= n - k.at n=41A179456
• Number of (n+1)X6 0..2 arrays with every 2x2 subblock summing to 4.at n=7A183628
• Number of (n+1) X 9 0..2 arrays with every 2 X 2 subblock summing to 4.at n=4A183631
• An infinite sequence of 4-digit half-palindromes.at n=0A191303
• a(n) = (5/128)*n^4*(n mod 2) + (((-5/128)*n^4*(n mod 2) - 26) mod n) + n^3 (n > 0).at n=28A294264
• Number of subsets of the first n nonzero decimal palindromes whose sum is a nonzero decimal palindrome.at n=18A377122