42021
domain: N
Appears in sequences
- Number of bipartite partitions of n white objects and 3 black ones.at n=22A000412
- n written in fractional base 6/4.at n=31A024637
- a(n) = 5^n mod 2^n.at n=25A029757
- Number of sets of positive integers with arithmetic mean n.at n=8A066571
- Fifth column of (1,5)-Pascal triangle A096940.at n=26A096942
- a(n) = (8*n+3)*(8*n+7).at n=25A146301
- a(n) = 100*n^2 + 100*n + 21.at n=20A152161
- Numbers n such that n^2 can be represented as sum of (at least two) consecutive cubes and n is not a triangular number.at n=32A163393
- a(n) = A061037(7*n+2).at n=29A165943
- The stonemason's problem: numbers n such that n^2 is the sum of more than three consecutive cubes, the cube 1 being disallowed.at n=33A238099