83808
domain: N
Appears in sequences
- Form a conjugate partition of row with 1+1+1 in first row. all other rows are the union of their parents. a(n) = number of types of piles in the n-th row.at n=32A064480
- Numbers such that the largest prime factor equals the sum of the 4th power of the other prime factors.at n=31A244344
- Number of ways to place 3 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line.at n=8A279437