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.

A188489 Exponential transform of (A000275 number of pairs of permutations with rise/rise forbidden).

Table of values

n a(n)
0 1
1 1
2 2
3 8
4 61
5 797
6 16021
7 457285
8 17529203
9 867230231
10 53745914922
11 4076301322848
12 371301496685164
13 39992538951200636
14 5027440719872343598
15 729432303460596468394
16 120977789712983152108734
17 22743262423568258626295550

List of values

[1, 1, 2, 8, 61, 797, 16021, 457285, 17529203, 867230231, 53745914922, 4076301322848, 371301496685164, 39992538951200636, 5027440719872343598, 729432303460596468394, 120977789712983152108734, 22743262423568258626295550]

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

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