A086817 - cp's OEIS frontend

A086817 a(n) is the number of terms in the expansion of (x+y-z)(x^2+y^2-z^2)(x^3+y^3-z^3)...(x^n+y^n-z^n).

n	a(n)
1	3
2	9
3	22
4	48
5	102
6	182
7	328
8	566
9	910
10	1396
11	2025
12	2882
13	3976
14	5304
15	7002
16	9071
17	11475
18	14444
19	17886
20	21896
21	26531
22	31880
23	37947
24	44899
25	52657
26	61500
27	71406
28	82383
29	94592
30	108097
31	123017
32	139401
33	157439
34	177134
35	198634
36	221962
37	247378
38	274767
39	304483
40	336533
41	371083
42	408168
43	447944
44	490614
45	536208

[3, 9, 22, 48, 102, 182, 328, 566, 910, 1396, 2025, 2882, 3976, 5304, 7002, 9071, 11475, 14444, 17886, 21896, 26531, 31880, 37947, 44899, 52657, 61500, 71406, 82383, 94592, 108097, 123017, 139401, 157439, 177134, 198634, 221962, 247378, 274767, 304483, 336533, 371083, 408168, 447944, 490614, 536208]

cp's OEIS Frontend

A086817 a(n) is the number of terms in the expansion of (x+y-z)(x^2+y^2-z^2)(x^3+y^3-z^3)...(x^n+y^n-z^n).

Table of values

List of values

cp's OEIS Frontend

A086817 a(n) is the number of terms in the expansion of (x+y-z)*(x^2+y^2-z^2)*(x^3+y^3-z^3)*...*(x^n+y^n-z^n).

Table of values

List of values

A086817 a(n) is the number of terms in the expansion of (x+y-z)(x^2+y^2-z^2)(x^3+y^3-z^3)...(x^n+y^n-z^n).