1,2

The same as A102687 (square composition), A163859 (cubic composition), A163860 (4 th power composition), here a(n) is the number of different mappings g that admit at least one mapping f as the 5th order root (g=fofofofof) in terms of the composition.

Cf. A102687, A163859, A163860.

Sequence in context: A053482 A158577 A006879 this_sequence A006153 A025164 A060072

Adjacent sequences: A163858 A163859 A163860 this_sequence A163862 A163863 A163864

more,nonn

C. Alves (cjsalves(AT)gmail.com), Aug 05 2009