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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.

A220481 a(n) = 12spt(n) + (24n - 1)p(n), with a(0) = -1.

Table of values

n a(n)
0 -1
1 35
2 130
3 273
4 595
5 1001
6 1885
7 2925
8 4886
9 7410
10 11466
11 16660
12 24955
13 35191
14 50505
15 70252
16 98085
17 133455
18 182819
19 244790
20 329121
21 435420
22 576030
23 752609
24 984165
25 1271998
26 1643460
27 2105450
28 2693522
29 3420235
30 4338552
31 5466370
32 6878235
33 8607417

List of values

[-1, 35, 130, 273, 595, 1001, 1885, 2925, 4886, 7410, 11466, 16660, 24955, 35191, 50505, 70252, 98085, 133455, 182819, 244790, 329121, 435420, 576030, 752609, 984165, 1271998, 1643460, 2105450, 2693522, 3420235, 4338552, 5466370, 6878235, 8607417]

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

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