35216
domain: N
Appears in sequences
- 9-gonal (or enneagonal) pyramidal numbers: a(n) = n*(n+1)*(7*n-4)/6.at n=31A007584
- Numbers that are the sum of 3 positive cubes in exactly 3 ways.at n=19A025397
- Numbers that are the sum of 3 positive cubes in 3 or more ways.at n=20A025398
- Triangle read by rows: T(n,k) is the number of rooted trees with k nodes which are disjoint sets of labels with union {1..n}. If a node has an empty set of labels then it must have at least two children.at n=30A094262
- a(n) = (2*n^3 + 5*n^2 - 7*n)/2.at n=31A162261
- Numbers d*p where d is a perfect number and p<d a prime not dividing d.at n=26A165772
- a(n) = a(n-1) + s, where s is the least square >= a(n-1) and the first digit of s equals the first digit of a(n-1). a(0)=1.at n=10A175529
- Number of 3-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.at n=13A187851
- Coefficient of x in the reduction of the polynomial (2*x + 1)^n by x^3 -> x^2 + x + 1.at n=8A192815
- Even 9-gonal (nonagonal) pyramidal numbers.at n=22A218329
- Numbers that can be expressed as the sum of three nonnegative cubes in three ways.at n=24A219329