A361637 - cp's OEIS frontend

A361637 Constant term in the expansion of (1 + x + y + z + 1/(xyz))^n.

n	a(n)
0	1
1	1
2	1
3	1
4	25
5	121
6	361
7	841
8	4201
9	25705
10	118441
11	423721
12	1628881
13	8065201
14	41225185
15	184416961
16	768211081
17	3420474121
18	16620237001
19	79922011465
20	364149052705
21	1638806098945
22	7655390077105
23	36739991161105
24	174363209490625
25	811840219629121
26	3790118889635521

[1, 1, 1, 1, 25, 121, 361, 841, 4201, 25705, 118441, 423721, 1628881, 8065201, 41225185, 184416961, 768211081, 3420474121, 16620237001, 79922011465, 364149052705, 1638806098945, 7655390077105, 36739991161105, 174363209490625, 811840219629121, 3790118889635521]

cp's OEIS Frontend

A361637 Constant term in the expansion of (1 + x + y + z + 1/(xyz))^n.

Table of values

List of values

cp's OEIS Frontend

A361637 Constant term in the expansion of (1 + x + y + z + 1/(x*y*z))^n.

Table of values

List of values

A361637 Constant term in the expansion of (1 + x + y + z + 1/(xyz))^n.