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.

A264175 Number of permutations of [n] with exactly two (possibly overlapping) occurrences of the consecutive pattern 1324.

Table of values

n a(n)
6 2
7 29
8 407
9 5856
10 84351
11 1251246
12 19318314
13 311306106
14 5247587002
15 92593553775
16 1709675651881
17 33009644160452
18 665774603385155
19 14011066071814409
20 307285854478257587
21 7014599706534263680
22 166463062283304010885
23 4101715354110043233880
24 104819153609360857542346

List of values

[2, 29, 407, 5856, 84351, 1251246, 19318314, 311306106, 5247587002, 92593553775, 1709675651881, 33009644160452, 665774603385155, 14011066071814409, 307285854478257587, 7014599706534263680, 166463062283304010885, 4101715354110043233880, 104819153609360857542346]

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

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