A003781 - cp's OEIS frontend

A003781 Expansion of theta series of {E_7}* lattice in powers of q^(1/2).

n	a(n)
0	1
1	0
2	0
3	56
4	126
5	0
6	0
7	576
8	756
9	0
10	0
11	1512
12	2072
13	0
14	0
15	4032
16	4158
17	0
18	0
19	5544
20	7560
21	0
22	0
23	12096
24	11592
25	0
26	0
27	13664
28	16704
29	0
30	0
31	24192
32	24948
33	0
34	0
35	27216
36	31878
37	0
38	0
39	44352
40	39816
41	0
42	0
43	41832
44	55944
45	0
46	0
47	72576
48	66584
49	0
50	0
51	67536
52	76104
53	0
54	0
55	100800

[1, 0, 0, 56, 126, 0, 0, 576, 756, 0, 0, 1512, 2072, 0, 0, 4032, 4158, 0, 0, 5544, 7560, 0, 0, 12096, 11592, 0, 0, 13664, 16704, 0, 0, 24192, 24948, 0, 0, 27216, 31878, 0, 0, 44352, 39816, 0, 0, 41832, 55944, 0, 0, 72576, 66584, 0, 0, 67536, 76104, 0, 0, 100800]

cp's OEIS Frontend

A003781 Expansion of theta series of {E_7}* lattice in powers of q^(1/2).

Table of values

List of values