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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.

A306033 Number of length-n restricted growth strings (RGS) with growth <= nine and first element in [9].

Table of values

n a(n)
0 1
1 9
2 126
3 2229
4 46791
5 1126032
6 30377223
7 904211997
8 29347973748
9 1029154793775
10 38706399597879
11 1551902279238186
12 65998768155695109
13 2964410257125490269
14 140111251278756345054
15 6946234487211269640633
16 360202406323880296650987
17 19488725004898446787394016

List of values

[1, 9, 126, 2229, 46791, 1126032, 30377223, 904211997, 29347973748, 1029154793775, 38706399597879, 1551902279238186, 65998768155695109, 2964410257125490269, 140111251278756345054, 6946234487211269640633, 360202406323880296650987, 19488725004898446787394016]

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

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