156156

Appears in sequences

• Number of factorization patterns of polynomials of degree n over F_4.at n=28A006169
• Theta series of A*_12 lattice.at n=46A023924
• a(n) = 7*(n+1)*binomial(n+2,7)/2.at n=7A027780
• a(n) = 4*(n+1)*binomial(n+2,8).at n=6A027781
• Values of m such that N=(am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,47.at n=6A064260
• Number of closed walks of length n on the Petersen graph rooted at a given vertex.at n=13A091000
• Triangle T(n,k), 0 <= k <= n, defined by : T(n,k) = 0 if k < 0, T(0,k) = 0^k, (n+2)*(2*n-2*k+1)*T(n,k) = (2*n+1)*( 4*(2*n-2*k+1)*T(n-1,k-1) + (n+2*k+2)*T(n-1,k) ).at n=25A123382
• a(n) = lcm(n^2, swinging_factorial(n)).at n=13A181860
• Number of arrays of 5 integers in -n..n with sum zero and the sum of every adjacent pair being odd.at n=21A202077
• Number of (n+4)X7 0..2 matrices with each 5X5 subblock idempotent.at n=12A224620
• Number of set partitions of {1,...,n} with largest set of size 10.at n=5A229252
• 4n concatenated with itself.at n=38A248365
• a(n) = (n-3)*(n-2)^2*(n-1)^2*n/24.at n=13A292061
• a(n) = binomial(2*n,n) * (2*n+1)^2.at n=6A294486
• Numbers k such that k + the sum of the fourth powers of its digits is again a fourth power.at n=10A362954