101925
domain: N
Appears in sequences
- Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=24A207020
- Number of partitions of n with exactly three sorts of part 1 which are introduced in ascending order.at n=9A320816
- a(n) is the smallest number which can be represented as the sum of n distinct centered n-gonal numbers in exactly n ways, or -1 if no such number exists.at n=24A352975
- E.g.f. satisfies A(x) = ( 1 + (exp(x*A(x)) - 1)/A(x) )^3.at n=6A377340