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.

A053676 Let Oc(n) = A005900(n) = n-th octahedral number. Consider all integer triples (i,j,k), j >= k > 0, with Oc(i) = Oc(j)+Oc(k), ordered by increasing i; sequence gives i values.

Table of values

n a(n)
1 7
2 41
3 465
4 2732
5 3005
6 20648
7 48125
8 94396
9 129299
10 282931
11 789281
12 835050
13 1241217
14 1292143
15 1521647
16 1603655
17 2756953
18 4847702
19 5128447
20 6242598

List of values

[7, 41, 465, 2732, 3005, 20648, 48125, 94396, 129299, 282931, 789281, 835050, 1241217, 1292143, 1521647, 1603655, 2756953, 4847702, 5128447, 6242598]

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

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