49200
domain: N
Appears in sequences
- a(n) = n^3+n for odd n, (n^3+n)*3/2 for even n: Row sums of A093915.at n=31A093917
- Triangular matrix T, read by rows, that satisfies: T^2 + T = SHIFTUP(T), also T^(n+1) + T^n = SHIFTUP(T^n - D*T^(n-1)) for all n, where D is a diagonal matrix with diagonal(D) = diagonal(T) = {1,2,3,...}.at n=31A103238
- Numbers k such that k and k^2 use only the digits 0, 2, 4, 6 and 9.at n=24A136905
- Numbers k such that k is the average of four consecutive primes k-7, k-1, k+1 and k+7.at n=32A258879
- T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,1 1,0 2,1 or -1,-1.at n=58A264476
- Number of (4+1) X (n+1) arrays of permutations of 0..n*5+4 with each element having directed index change 0,1 1,0 2,1 or -1,-1.at n=7A264478
- Numbers of the form A000217(n)*A007494(n) that are divisible by 3.at n=33A295867
- Expansion of e.g.f. x*exp(x)*(sinh(x))^2.at n=10A360036