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.

A292175 Number of permutations p of [n] such that 0p has a nonincreasing jump sequence beginning with nine.

Table of values

n a(n)
9 2621
10 9459
11 26167
12 69404
13 188735
14 558151
15 1745634
16 5935728
17 20786804
18 77416352
19 219059475
20 578513498
21 1500419043
22 3908857765
23 10470345790
24 28385741484
25 79729201108
26 221303407539
27 630847591899
28 1653827513009
29 4173815556603
30 10415200154855
31 25901062216475

List of values

[2621, 9459, 26167, 69404, 188735, 558151, 1745634, 5935728, 20786804, 77416352, 219059475, 578513498, 1500419043, 3908857765, 10470345790, 28385741484, 79729201108, 221303407539, 630847591899, 1653827513009, 4173815556603, 10415200154855, 25901062216475]

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

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