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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.

A246252 Number of permutations of [n] with exactly seven occurrences of the consecutive step pattern up, down, down.

Table of values

n a(n)
22 2172534146099019
23 336291324862551606
24 31816048233798681066
25 2348418329934108057072
26 149140942861163014893024
27 8573289075750149662810032
28 460018114299281721089786796
29 23509721961960146267578379640
30 1160583084129910496820714859320

List of values

[2172534146099019, 336291324862551606, 31816048233798681066, 2348418329934108057072, 149140942861163014893024, 8573289075750149662810032, 460018114299281721089786796, 23509721961960146267578379640, 1160583084129910496820714859320]

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

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