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.

A169723 3^(n-1)*(2*3^(n-1)+3)+1.

Table of values

n a(n)
1 6
2 28
3 190
4 1540
5 13366
6 118828
7 1065070
8 9572500
9 86113126
10 774900028
11 6973745950
12 62762650660
13 564860667286
14 5083736439628
15 45753599258830
16 411782307236020
17 3706040506843846
18 33354363786753628
19 300189271756259710
20 2701703438832768580

List of values

[6, 28, 190, 1540, 13366, 118828, 1065070, 9572500, 86113126, 774900028, 6973745950, 62762650660, 564860667286, 5083736439628, 45753599258830, 411782307236020, 3706040506843846, 33354363786753628, 300189271756259710, 2701703438832768580]

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

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