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.

A228124 Number of blocks in a Steiner Quadruple System of order A047235(n+1).

Table of values

n a(n)
1 1
2 14
3 30
4 91
5 140
6 285
7 385
8 650
9 819
10 1240
11 1496
12 2109
13 2470
14 3311
15 3795
16 4900
17 5525
18 6930
19 7714
20 9455
21 10416
22 12529
23 13685
24 16206
25 17575
26 20540
27 22140
28 25585
29 27434
30 31395
31 33511
32 38024
33 40425
34 45526
35 48230
36 53955
37 56980
38 63365
39 66729
40 73810
41 77531
42 85344

List of values

[1, 14, 30, 91, 140, 285, 385, 650, 819, 1240, 1496, 2109, 2470, 3311, 3795, 4900, 5525, 6930, 7714, 9455, 10416, 12529, 13685, 16206, 17575, 20540, 22140, 25585, 27434, 31395, 33511, 38024, 40425, 45526, 48230, 53955, 56980, 63365, 66729, 73810, 77531, 85344]

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

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