53687104
domain: N
Appears in sequences
- Number of subsets of {1,2,3,...,n} that sum to 0 mod 5.at n=28A068011
- Number of subsets of {1,2,3,...,n} that sum to 0 mod 10.at n=29A068031
- Number of subsets of {1,2,3,...,n} that sum to 0 mod 20.at n=30A068041
- Table read by downward antidiagonals: T(n,k) is the number of tilings of the n X k cylinder up to horizontal and vertical reflections by an asymmetric tile.at n=25A368257