A233810 - cp's OEIS frontend

A233810 Number of starting configurations of Nim with n pieces such that 1st player wins. Partitions of n such that their xor-sum is nonzero.

n	a(n)
0	0
1	1
2	1
3	3
4	3
5	7
6	7
7	15
8	16
9	30
10	32
11	56
12	61
13	101
14	104
15	176
16	188
17	297
18	317
19	490
20	529
21	792
22	849
23	1255
24	1362
25	1958
26	2119
27	3010
28	3275
29	4565
30	4900
31	6842
32	7378
33	10143
34	10895
35	14883
36	16002
37	21637
38	23197
39	31185
40	33473
41	44583
42	47773
43	63261
44	67809
45	89134
46	95416
47	124754
48	133634
49	173525
50	185788
51	239943
52	257006
53	329931
54	353294
55	451276
56	483478
57	614154
58	657952
59	831820
60	891292
61	1121505
62	1201037
63	1505499
64	1612352
65	2012558
66	2154724
67	2679689
68	2868121
69	3554345
70	3803081
71	4697205
72	5024237
73	6185689
74	6613581
75	8118264
76	8674712
77	10619863
78	11343319
79	13848650
80	14784359
81	18004327

[0, 1, 1, 3, 3, 7, 7, 15, 16, 30, 32, 56, 61, 101, 104, 176, 188, 297, 317, 490, 529, 792, 849, 1255, 1362, 1958, 2119, 3010, 3275, 4565, 4900, 6842, 7378, 10143, 10895, 14883, 16002, 21637, 23197, 31185, 33473, 44583, 47773, 63261, 67809, 89134, 95416, 124754, 133634, 173525, 185788, 239943, 257006, 329931, 353294, 451276, 483478, 614154, 657952, 831820, 891292, 1121505, 1201037, 1505499, 1612352, 2012558, 2154724, 2679689, 2868121, 3554345, 3803081, 4697205, 5024237, 6185689, 6613581, 8118264, 8674712, 10619863, 11343319, 13848650, 14784359, 18004327]

cp's OEIS Frontend

A233810 Number of starting configurations of Nim with n pieces such that 1st player wins. Partitions of n such that their xor-sum is nonzero.

Table of values

List of values