A307652 - cp's OEIS frontend

A307652 The number of grains of sand in the identity element for the sandpile group on an (n+1) X (n+1) square grid.

n	a(n)
1	8
2	12
3	40
4	52
5	72
6	88
7	136
8	160
9	216
10	244
11	320
12	356
13	408
14	448
15	544
16	592
17	704
18	756
19	888
20	948
21	1088
22	1156
23	1304
24	1376
25	1504
26	1584
27	1736
28	1820
29	1984
30	2076
31	2288
32	2384
33	2536
34	2640
35	2912
36	3024
37	3200
38	3316
39	3624
40	3748
41	3976
42	4104
43	4392
44	4528
45	4824
46	4968
47	5216
48	5364
49	5664
50	5820
51	6088
52	6248
53	6616

[8, 12, 40, 52, 72, 88, 136, 160, 216, 244, 320, 356, 408, 448, 544, 592, 704, 756, 888, 948, 1088, 1156, 1304, 1376, 1504, 1584, 1736, 1820, 1984, 2076, 2288, 2384, 2536, 2640, 2912, 3024, 3200, 3316, 3624, 3748, 3976, 4104, 4392, 4528, 4824, 4968, 5216, 5364, 5664, 5820, 6088, 6248, 6616]

cp's OEIS Frontend

A307652 The number of grains of sand in the identity element for the sandpile group on an (n+1) X (n+1) square grid.

Table of values

List of values