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.

A289787 p-INVERT of the even positive integers (A005843), where p(S) = 1 - S - S^2.

Table of values

n a(n)
0 2
1 12
2 62
3 312
4 1570
5 7908
6 39838
7 200688
8 1010978
9 5092860
10 25655582
11 129241512
12 651061762
13 3279762132
14 16521995710
15 83230530528
16 419278719938
17 2112141348588
18 10640036959358
19 53599815453720
20 270012240337762
21 1360202629711812
22 6852101192007262

List of values

[2, 12, 62, 312, 1570, 7908, 39838, 200688, 1010978, 5092860, 25655582, 129241512, 651061762, 3279762132, 16521995710, 83230530528, 419278719938, 2112141348588, 10640036959358, 53599815453720, 270012240337762, 1360202629711812, 6852101192007262]

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

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