A274598 - cp's OEIS frontend

A274598 Number of ways to remove n oranges from an infinite stack of oranges whose m-th layer is an m X (m+4) rectangle.

n	a(n)
0	1
1	5
2	14
3	40
4	103
5	247
6	567
7	1252
8	2668
9	5539
10	11214
11	22247
12	43300
13	82871
14	156152
15	290202
16	532430
17	965395
18	1731351
19	3073660
20	5404984
21	9420512
22	16282463
23	27922063
24	47527430
25	80331385
26	134873275
27	225015223
28	373141724
29	615224276
30	1008792896
31	1645443771
32	2670372299
33	4312780664
34	6933014899

[1, 5, 14, 40, 103, 247, 567, 1252, 2668, 5539, 11214, 22247, 43300, 82871, 156152, 290202, 532430, 965395, 1731351, 3073660, 5404984, 9420512, 16282463, 27922063, 47527430, 80331385, 134873275, 225015223, 373141724, 615224276, 1008792896, 1645443771, 2670372299, 4312780664, 6933014899]

cp's OEIS Frontend

A274598 Number of ways to remove n oranges from an infinite stack of oranges whose m-th layer is an m X (m+4) rectangle.

Table of values

List of values