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.

A024392 a(n) = 3rd elementary symmetric function of the first n+2 positive integers congruent to 2 mod 3.

Table of values

n a(n)
1 80
2 806
3 4040
4 14155
5 39655
6 95200
7 204036
8 400830
9 734910
10 1273910
11 2107820
12 3353441
13 5159245
14 7710640
15 11235640
16 16010940
17 22368396
18 30701910
19 41474720
20 55227095
21 72584435
22 94265776
23 121092700
24 153998650
25 194038650
26 242399430

List of values

[80, 806, 4040, 14155, 39655, 95200, 204036, 400830, 734910, 1273910, 2107820, 3353441, 5159245, 7710640, 11235640, 16010940, 22368396, 30701910, 41474720, 55227095, 72584435, 94265776, 121092700, 153998650, 194038650, 242399430]

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

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