688747536

Appears in sequences

• a(n) = (6*n)^4.at n=27A016912
• a(n) = (9*n)^4.at n=18A017164
• a(n) = (10*n + 2)^4.at n=16A017296
• a(n) = (11*n + 8)^4.at n=14A017488
• a(n) = (12*n + 6)^4.at n=13A017596
• a(n) = Sum_{k=0..m} (k+1) * A026082(n, k), where 0 <= k <= m, m=n for n=0,1,2,3; m=2n for n >= 4.at n=17A027319
• a(n) = n*3^n.at n=16A036290
• a(n) = 2^n * 3^(n^2).at n=4A135397
• Denominators of a ternary BBP-type formula for log(3).at n=15A154920
• One quarter the number of nX3 1..4 arrays with no two neighbors of any element equal to each other.at n=15A183355
• Number of 3Xn binary arrays without the pattern 0 1 diagonally or antidiagonally.at n=17A188825
• Number of (n+1)X2 0..3 arrays with no 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=7A203819
• a(1) = 1, a(2) = 2, a(3) = 5; thereafter a(n) = 2 * Sum_{k=1..n-1} a(k).at n=19A257970
• Sum of the degrees of asymmetry of all ternary words of length n.at n=17A274499
• a(n) = a(floor(n/2))*a(ceiling(n/2)), where a(0) = 1, a(1) = 2, a(2) = 3.at n=36A298413