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.

A306028 Number of length-n restricted growth strings (RGS) with growth <= four and first element in [4].

Table of values

n a(n)
0 1
1 4
2 26
3 214
4 2096
5 23578
6 297692
7 4150798
8 63148652
9 1038505282
10 18324165284
11 344791676446
12 6883214479964
13 145160792680210
14 3221934217192772
15 75022325591768782
16 1827426669105650588
17 46448931646662304066
18 1229212096172351894852
19 33800410177112965182910

List of values

[1, 4, 26, 214, 2096, 23578, 297692, 4150798, 63148652, 1038505282, 18324165284, 344791676446, 6883214479964, 145160792680210, 3221934217192772, 75022325591768782, 1827426669105650588, 46448931646662304066, 1229212096172351894852, 33800410177112965182910]

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

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