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.

A328506 Iteration of Abelian sandpile model where the n-th matrix expansions occurs. Begins with infinite sand in 1 X 1 matrix.

Table of values

n a(n)
1 1
2 5
3 16
4 36
5 66
6 101
7 160
8 218
9 285
10 374
11 464
12 565
13 680
14 815
15 969
16 1124
17 1282
18 1467
19 1659
20 1863
21 2091
22 2346
23 2559
24 2824
25 3100
26 3411
27 3690
28 4043
29 4380
30 4697
31 5060
32 5468
33 5833
34 6266
35 6670
36 7132
37 7595
38 8006
39 8502
40 9004
41 9518
42 10039
43 10609
44 11155
45 11740
46 12304
47 12971
48 13603
49 14202
50 14861
51 15532
52 16217

List of values

[1, 5, 16, 36, 66, 101, 160, 218, 285, 374, 464, 565, 680, 815, 969, 1124, 1282, 1467, 1659, 1863, 2091, 2346, 2559, 2824, 3100, 3411, 3690, 4043, 4380, 4697, 5060, 5468, 5833, 6266, 6670, 7132, 7595, 8006, 8502, 9004, 9518, 10039, 10609, 11155, 11740, 12304, 12971, 13603, 14202, 14861, 15532, 16217]

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

Content is available under The OEIS End-User License Agreement.