281210
domain: N
Appears in sequences
- Triangle of numbers related to A000330 (sum of squares) and A000364 (Euler numbers).at n=31A060058
- Fourth column of triangle A060058.at n=4A060061
- Triangle A060058 by diagonals.at n=32A060074
- Fifth column of triangle A060074.at n=3A060077
- Number of maximal subsets of {1..n} such that every orderless pair of distinct elements has a different sum.at n=35A325878