A191822 - cp's OEIS frontend

A191822 Number of solutions to the Diophantine equation x1x2 + x2x3 + x3x4 + x4x5 = n, with all xi >= 1.

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	6
7	8
8	16
9	20
10	32
11	36
12	58
13	58
14	86
15	92
16	125
17	122
18	178
19	164
20	228
21	224
22	286
23	268
24	382
25	330
26	436
27	424
28	534
29	474
30	660
31	556
32	740
33	692
34	840
35	752
36	1043
37	846
38	1094
39	1032
40	1276
41	1078
42	1476
43	1204
44	1582
45	1458
46	1710
47	1480
48	2070
49	1628
50	2096
51	1924
52	2332
53	1946
54	2652
55	2148
56	2770
57	2480
58	2908
59	2480
60	3512

[0, 0, 0, 1, 2, 6, 8, 16, 20, 32, 36, 58, 58, 86, 92, 125, 122, 178, 164, 228, 224, 286, 268, 382, 330, 436, 424, 534, 474, 660, 556, 740, 692, 840, 752, 1043, 846, 1094, 1032, 1276, 1078, 1476, 1204, 1582, 1458, 1710, 1480, 2070, 1628, 2096, 1924, 2332, 1946, 2652, 2148, 2770, 2480, 2908, 2480, 3512]

cp's OEIS Frontend

A191822 Number of solutions to the Diophantine equation x1x2 + x2x3 + x3x4 + x4x5 = n, with all xi >= 1.

Table of values

List of values

cp's OEIS Frontend

A191822 Number of solutions to the Diophantine equation x1*x2 + x2*x3 + x3*x4 + x4*x5 = n, with all xi >= 1.

Table of values

List of values

A191822 Number of solutions to the Diophantine equation x1x2 + x2x3 + x3x4 + x4x5 = n, with all xi >= 1.