A274594 - cp's OEIS frontend

A274594 Number of ways to remove n oranges from an infinite stack of oranges whose m-th layer is an m X (m+1) rectangle.

n	a(n)
0	1
1	2
2	5
3	12
4	29
5	64
6	139
7	286
8	582
9	1148
10	2227
11	4234
12	7950
13	14692
14	26842
15	48438
16	86509
17	152902
18	267783
19	464766
20	800095
21	1366512
22	2316840
23	3900502
24	6523432
25	10841282
26	17909533
27	29416966
28	48055443
29	78093926
30	126276743
31	203211038
32	325518314
33	519138982
34	824414851
35	1303853212
36	2053981256

[1, 2, 5, 12, 29, 64, 139, 286, 582, 1148, 2227, 4234, 7950, 14692, 26842, 48438, 86509, 152902, 267783, 464766, 800095, 1366512, 2316840, 3900502, 6523432, 10841282, 17909533, 29416966, 48055443, 78093926, 126276743, 203211038, 325518314, 519138982, 824414851, 1303853212, 2053981256]

cp's OEIS Frontend

A274594 Number of ways to remove n oranges from an infinite stack of oranges whose m-th layer is an m X (m+1) rectangle.

Table of values

List of values