cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A327025 a(n) = Sum_{k=0..n} k! * Sum_{d|n} phi(d) * A008284(n/d, k).

Original entry on oeis.org

1, 1, 4, 11, 40, 165, 930, 6109, 47364, 416259, 4092332, 44424105, 527512456, 6798907261, 94504292830, 1408973416983, 22426222792568, 379522092608193, 6804315178122972, 128828842646944153, 2568533750232696472, 53788282243854348683, 1180357162840669081094
Offset: 0

Views

Author

Peter Luschny, Aug 23 2019

Keywords

Crossrefs

Row sums of A327028.