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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.

A230370 Voids left after packing 3 curves coins patterns (3c3s type) into fountain of coins base n.

Table of values

n a(n)
1 0
2 0
3 3
4 6
5 13
6 19
7 39
8 54
9 66
10 85
11 100
12 123
13 141
14 168
15 189
16 220
17 244
18 279
19 306
20 345
21 375
22 418
23 451
24 498
25 534
26 585
27 624
28 679
29 721
30 780
31 825
32 888
33 936
34 1003
35 1054
36 1125
37 1179
38 1254
39 1311
40 1390
41 1450
42 1533
43 1596
44 1683

List of values

[0, 0, 3, 6, 13, 19, 39, 54, 66, 85, 100, 123, 141, 168, 189, 220, 244, 279, 306, 345, 375, 418, 451, 498, 534, 585, 624, 679, 721, 780, 825, 888, 936, 1003, 1054, 1125, 1179, 1254, 1311, 1390, 1450, 1533, 1596, 1683]

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

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