31536
domain: N
Appears in sequences
- McKay-Thompson series of class 34A for Monster.at n=46A058638
- 30 'Reverse and Add' steps are needed to reach a palindrome.at n=11A065319
- Triangle read by rows: T(n,k) is the number of ternary sequences of length n containing k subsequences 00 (n>=0, 0<=k<=max(0,n-1)).at n=58A118357
- Numbers with a minimum of 6 polygonal roots, excluding itself.at n=38A275256
- Number of nX4 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2.at n=4A275348
- T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2.at n=32A275352
- Number of 5Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2.at n=3A275355
- Number of sets of exactly n positive integers <= 2n having a square element sum.at n=11A281872
- a(n) = n^2 * (n+1)^2 * (n^2+n+1) / 12.at n=8A331528