A241731 - cp's OEIS frontend

A241731 The number of P-positions in the game of Nim with up to 5 piles, allowing for piles of zero, such that the number of objects in the largest pile is n.

n	a(n)
0	1
1	15
2	45
3	195
4	165
5	555
6	1125
7	1995
8	645
9	1995
10	3525
11	5355
12	7605
13	10395
14	13845
15	18075
16	2565
17	7755
18	13125
19	18795
20	24885
21	31515
22	38805
23	46875
24	55845
25	65835
26	76965
27	89355
28	103125
29	118395
30	135285
31	153915
32	10245
33	30795
34	51525
35	72555
36	94005
37	115995

[1, 15, 45, 195, 165, 555, 1125, 1995, 645, 1995, 3525, 5355, 7605, 10395, 13845, 18075, 2565, 7755, 13125, 18795, 24885, 31515, 38805, 46875, 55845, 65835, 76965, 89355, 103125, 118395, 135285, 153915, 10245, 30795, 51525, 72555, 94005, 115995]

cp's OEIS Frontend

A241731 The number of P-positions in the game of Nim with up to 5 piles, allowing for piles of zero, such that the number of objects in the largest pile is n.

Table of values

List of values