178176

Appears in sequences

• Numbers that are the sum of 9 positive 10th powers.at n=28A004809
• Exponential self-convolution of Pell numbers.at n=9A006646
• Theta series of lattice D_3 tensor D_4 (dimension 12, det. 16384, min. norm 4).at n=9A033696
• a(n) = prime(n) * Product_{k=0..n-2} prime(n-k) mod prime(n-k-1).at n=9A037169
• Triangle read by rows: T(n,k) is number of paths from (0,0) to (3n,0) that stay in the first quadrant (but may touch the horizontal axis), consisting of steps u=(2,1),U=(1,2), or d=(1,-1) and have k returns to the x-axis.at n=41A108435
• Triangle P, read by rows, that satisfies [P^2](n,k) = P(n+1,k+1) for n>=k>=0, also [P^(2*m)](n,k) = [P^m](n+1,k+1) for all m, where [P^m](n,k) denotes the element at row n, column k, of the matrix power m of P, with P(k,k)=1 and P(k+2,2)=P(k+2,0) for k>=0.at n=40A111975
• Triangular vector sequence as weighted conversion between A137286 and A049310.at n=59A136664
• Column k = 3 of triangular array in A165241.at n=9A202481
• Number of (n+1) X 8 0..1 arrays with the number of clockwise edge increases in every 2 X 2 subblock differing from each horizontal or vertical neighbor.at n=17A205192
• a(n) = 256n^2 - 828n + 656 (n>=1).at n=27A304379
• Numbers n for which A324108(n) = A324054(n-1) and which are neither prime powers nor of the form 2^i * p^j, where p is an odd prime, with either exponent i or j > 0.at n=26A324111
• Number of 1-tough unlabeled graphs on n vertices.at n=8A366755