82080

Appears in sequences

• First differences of (n+1)^5-n^5.at n=15A068236
• a(n) = (2*n+1)*(2*n+2)*(2*n+4)*(2*n+5).at n=7A069079
• Numbers n such that pi(n) = reversal(n).at n=5A097644
• a(1)=1; thereafter, a(n+1) = 20*n^3 + 10*n.at n=16A101098
• Rectangular table, read by antidiagonals, where the g.f. of row n, R(x,n), satisfies: R(x,n) = 1 + (n+1)*x*R(x,n+1)^2 for n>=0.at n=33A128570
• Row 2 of table A128570.at n=5A128572
• a(n) = 2*n^3 - 3*n^2 + 5.at n=35A152064
• The fourth row of the ED2 array A167560.at n=26A167561
• Numbers with prime factorization pqr^3s^5.at n=7A190475
• 0-sequence of reduction of (2n-1) by x^2 -> x+1.at n=17A192304
• Permanent of the n-th principal submatrix of A204435.at n=10A204436
• Permanent of the n-th principal submatrix of A204439.at n=10A204440
• Number of standard Young tableaux of shape [3n,3].at n=26A215543
• Number of orthogonal 3 X 3 matrices over the ring Z/nZ.at n=37A264083
• Triangle T(n,t) read by rows: the number of n X n {0,1} matrices with trace t where each row sum and each column sum is 3.at n=24A284990
• Number of nX4 0..1 arrays with every element equal to 1, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero.at n=9A298578
• Numbers k such that A344753(k) is a multiple of A048250(k), and k is a multiple of A344753(k)/A048250(k).at n=13A344755
• Triangle read by rows: T(n,k) is the number of permutations of length n that have k same elements at the same positions with its inverse permutation for 0 <= k <= n.at n=47A344901
• Orders of the finite groups Aut(GL_2(K)) when K is a finite field with q = A246655(n) elements.at n=11A353247
• Expansion of e.g.f. (1 + x + x^2)^(x^2).at n=9A370321