141382
domain: N
Appears in sequences
- G.f. satisfies: A(x) = 1 + x*A(1 - 1/A(x))^2.at n=8A212411
- Expansion of Product_{k>=1} 1/(1 - (5*k-1)*x^(5*k-1)).at n=38A265831
- Number of non-isomorphic 4 X 4 nonnegative integer symmetric matrices with all row and column sums equal to n up to permutations of rows and columns.at n=23A333886
- a(n) = time to the nearest second at the n-th instant (n>=0) when the hour and minute hands on a clock face coincide, starting at time 0:00.at n=36A335789