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.

A353580 a(n) = 2*a(n-1) + a(n-2) - 1, with a(0) = 0 and a(1) = 2.

Table of values

n a(n)
0 0
1 2
2 3
3 7
4 16
5 38
6 91
7 219
8 528
9 1274
10 3075
11 7423
12 17920
13 43262
14 104443
15 252147
16 608736
17 1469618
18 3547971
19 8565559
20 20679088
21 49923734
22 120526555
23 290976843
24 702480240
25 1695937322
26 4094354883
27 9884647087
28 23863649056
29 57611945198
30 139087539451
31 335787024099
32 810661587648

List of values

[0, 2, 3, 7, 16, 38, 91, 219, 528, 1274, 3075, 7423, 17920, 43262, 104443, 252147, 608736, 1469618, 3547971, 8565559, 20679088, 49923734, 120526555, 290976843, 702480240, 1695937322, 4094354883, 9884647087, 23863649056, 57611945198, 139087539451, 335787024099, 810661587648]

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

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