38044
domain: N
Appears in sequences
- Sum of indices of windows of trapezoidal maps.at n=11A007872
- a(n) = (1/4)*(3 + Sum_{k=0..n} C(4k,k)).at n=6A024720
- a(n) = Sum_{d|n} p(d), where p(d) = A000041 = number of partitions of d.at n=39A047968
- Eulerian numbers of the third order.at n=34A217020
- Number of cyclic subgroups of the group GL(2, Z(n)), counting conjugates as distinct.at n=26A316560
- The internal state of the Sinclair ZX81 and Spectrum random number generator.at n=4A357907