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.

A215571 Number of permutations of n indistinguishable copies of 1..6 with every partial sum <= the same partial sum averaged over all permutations.

Table of values

n a(n)
0 1
1 139
2 746192
3 9212531290
4 164401445439455
5 3611684199828856072
6 90695437030756958966384
7 2500267880518574604245088816
8 73839261438738554611424321993670
9 2299118288652572230673921886739695630
10 74651909129454094524656449803220566122458

List of values

[1, 139, 746192, 9212531290, 164401445439455, 3611684199828856072, 90695437030756958966384, 2500267880518574604245088816, 73839261438738554611424321993670, 2299118288652572230673921886739695630, 74651909129454094524656449803220566122458]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.