A274599 - cp's OEIS frontend

A274599 Number of ways to remove n oranges from an infinite stack of oranges whose m-th layer is an m X (m+5) rectangle.

n	a(n)
0	1
1	6
2	19
3	56
4	152
5	378
6	898
7	2042
8	4476
9	9526
10	19740
11	39978
12	79342
13	154650
14	296489
15	560022
16	1043404
17	1919708
18	3491081
19	6280514
20	11185375
21	19734004
22	34509347
23	59847208
24	102976946
25	175877782
26	298279841
27	502496682
28	841161007
29	1399559416
30	2315201903
31	3808746574
32	6232651705
33	10147431024

[1, 6, 19, 56, 152, 378, 898, 2042, 4476, 9526, 19740, 39978, 79342, 154650, 296489, 560022, 1043404, 1919708, 3491081, 6280514, 11185375, 19734004, 34509347, 59847208, 102976946, 175877782, 298279841, 502496682, 841161007, 1399559416, 2315201903, 3808746574, 6232651705, 10147431024]

cp's OEIS Frontend

A274599 Number of ways to remove n oranges from an infinite stack of oranges whose m-th layer is an m X (m+5) rectangle.

Table of values

List of values