40909

Appears in sequences

• Sum of 12 positive 9th powers.at n=28A004801
• a(n) = Smallest nontrivial number k > 9 such that |first (leftmost) decimal digit of k - second digit + third digit - fourth digit ...| = n.at n=22A060982
• Smallest number m such that first digit - second digit + third digit - fourth digit ... (of m) = n.at n=22A061479
• a(n) = Smallest nontrivial number k > 9 such that first (leftmost) digit - second digit + third digit - fourth digit ... of k = n.at n=22A061882
• Minimum number k for which the digital sum of k*n is 4*n.at n=11A147824
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, 0, 1), (0, 0, 1), (0, 1, -1), (1, -1, 1)}.at n=11A148147
• Number of planar n X n X n binary triangular grids symmetric both under 120 degree rotation and reflection with no more than 3 ones in any 3 X 3 X 3 subtriangle.at n=14A153922
• Principal diagonal of the convolution array A213831.at n=21A213832