A071689 - cp's OEIS frontend

A071689 Number of ways to write n as n = xyz*t+x+y+z+t 0<=x<=y<=z<=t<=n.

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	6
6	7
7	9
8	10
9	13
10	15
11	17
12	19
13	23
14	24
15	29
16	31
17	35
18	37
19	42
20	45
21	50
22	53
23	57
24	62
25	69
26	71
27	77
28	81
29	87
30	92
31	99
32	102
33	111
34	116
35	122
36	128
37	138
38	140
39	148
40	156
41	165
42	170
43	180
44	184
45	195
46	203
47	210
48	218
49	229
50	236
51	246
52	254
53	263
54	271
55	285
56	291
57	304
58	311
59	322

[1, 1, 2, 3, 4, 6, 7, 9, 10, 13, 15, 17, 19, 23, 24, 29, 31, 35, 37, 42, 45, 50, 53, 57, 62, 69, 71, 77, 81, 87, 92, 99, 102, 111, 116, 122, 128, 138, 140, 148, 156, 165, 170, 180, 184, 195, 203, 210, 218, 229, 236, 246, 254, 263, 271, 285, 291, 304, 311, 322]

cp's OEIS Frontend

A071689 Number of ways to write n as n = xyz*t+x+y+z+t 0<=x<=y<=z<=t<=n.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	6
6	7
7	9
8	10
9	13
10	15
11	17
12	19
13	23
14	24
15	29
16	31
17	35
18	37
19	42
20	45
21	50
22	53
23	57
24	62
25	69
26	71
27	77
28	81
29	87
30	92
31	99
32	102
33	111
34	116
35	122
36	128
37	138
38	140
39	148
40	156
41	165
42	170
43	180
44	184
45	195
46	203
47	210
48	218
49	229
50	236
51	246
52	254
53	263
54	271
55	285
56	291
57	304
58	311
59	322

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	6
6	7
7	9
8	10
9	13
10	15
11	17
12	19
13	23
14	24
15	29
16	31
17	35
18	37
19	42
20	45
21	50
22	53
23	57
24	62
25	69
26	71
27	77
28	81
29	87
30	92
31	99
32	102
33	111
34	116
35	122
36	128
37	138
38	140
39	148
40	156
41	165
42	170
43	180
44	184
45	195
46	203
47	210
48	218
49	229
50	236
51	246
52	254
53	263
54	271
55	285
56	291
57	304
58	311
59	322

cp's OEIS Frontend

A071689 Number of ways to write n as n = x*y*z*t+x+y+z+t 0<=x<=y<=z<=t<=n.

Table of values

List of values

A071689 Number of ways to write n as n = xyz*t+x+y+z+t 0<=x<=y<=z<=t<=n.

n	a(n)
0	1
1	1
2	2
3	3
4	4
5	6
6	7
7	9
8	10
9	13
10	15
11	17
12	19
13	23
14	24
15	29
16	31
17	35
18	37
19	42
20	45
21	50
22	53
23	57
24	62
25	69
26	71
27	77
28	81
29	87
30	92
31	99
32	102
33	111
34	116
35	122
36	128
37	138
38	140
39	148
40	156
41	165
42	170
43	180
44	184
45	195
46	203
47	210
48	218
49	229
50	236
51	246
52	254
53	263
54	271
55	285
56	291
57	304
58	311
59	322