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.

A264325 Number of permutations of [n] with exactly six (possibly overlapping) occurrences of the consecutive pattern 3412.

Table of values

n a(n)
14 1
15 235
16 57035
17 7221886
18 618249852
19 40878791512
20 2270356257626
21 112176122124184
22 5127825571576298
23 222748847168538286
24 9366990120105399606
25 386330492305650221364
26 15774418153169702657988
27 642000537768645881284284
28 26174608034919642252229176

List of values

[1, 235, 57035, 7221886, 618249852, 40878791512, 2270356257626, 112176122124184, 5127825571576298, 222748847168538286, 9366990120105399606, 386330492305650221364, 15774418153169702657988, 642000537768645881284284, 26174608034919642252229176]

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

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