A340312 - cp's OEIS frontend

A340312 Triangle read by rows: T(n,k) is the number of subsets of {0..2^n-1} with k elements such that the bitwise-xor of all the subset members gives zero, 0 <= k <= 2^n.

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	1
7	0
8	1
9	1
10	1
11	1
12	0
13	7
14	14
15	7
16	0
17	1
18	1
19	1
20	1
21	0
22	35
23	140
24	273
25	448
26	715
27	870
28	715
29	448
30	273
31	140
32	35
33	0
34	1
35	1
36	1
37	1
38	0
39	155
40	1240
41	6293
42	27776
43	105183
44	330460
45	876525
46	2011776
47	4032015
48	7063784
49	10855425
50	14721280
51	17678835
52	18796230
53	17678835
54	14721280
55	10855425
56	7063784
57	4032015
58	2011776
59	876525
60	330460
61	105183
62	27776
63	6293
64	1240
65	155
66	0
67	1
68	1

[1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 7, 14, 7, 0, 1, 1, 1, 1, 0, 35, 140, 273, 448, 715, 870, 715, 448, 273, 140, 35, 0, 1, 1, 1, 1, 0, 155, 1240, 6293, 27776, 105183, 330460, 876525, 2011776, 4032015, 7063784, 10855425, 14721280, 17678835, 18796230, 17678835, 14721280, 10855425, 7063784, 4032015, 2011776, 876525, 330460, 105183, 27776, 6293, 1240, 155, 0, 1, 1]

cp's OEIS Frontend

A340312 Triangle read by rows: T(n,k) is the number of subsets of {0..2^n-1} with k elements such that the bitwise-xor of all the subset members gives zero, 0 <= k <= 2^n.

Table of values

List of values