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.

A220414 a(n) = 6*a(n-1) - a(n-2), with a(1) = 13, a(2) = 73.

Table of values

n a(n)
1 13
2 73
3 425
4 2477
5 14437
6 84145
7 490433
8 2858453
9 16660285
10 97103257
11 565959257
12 3298652285
13 19225954453
14 112057074433
15 653116492145
16 3806641878437
17 22186734778477
18 129313766792425
19 753695865976073
20 4392861429064013
21 25603472708408005
22 149227974821384017

List of values

[13, 73, 425, 2477, 14437, 84145, 490433, 2858453, 16660285, 97103257, 565959257, 3298652285, 19225954453, 112057074433, 653116492145, 3806641878437, 22186734778477, 129313766792425, 753695865976073, 4392861429064013, 25603472708408005, 149227974821384017]

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

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