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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.

A106710 Number of words with n letters from an alphabet of size 26 with at least two equal consecutive letters.

Table of values

n a(n)
1 0
2 26
3 1326
4 50726
5 1725126
6 55009526
7 1684153926
8 50135658326
9 1462218522726
10 41984966747126
11 1190791264331526
12 33440126095275926
13 931432109043580326
14 25766955599293244726
15 708683864685628269126
16 19394355959426432653526
17 528467641885089690397926

List of values

[0, 26, 1326, 50726, 1725126, 55009526, 1684153926, 50135658326, 1462218522726, 41984966747126, 1190791264331526, 33440126095275926, 931432109043580326, 25766955599293244726, 708683864685628269126, 19394355959426432653526, 528467641885089690397926]

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

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