A147763 - cp's OEIS frontend

A147763 a(n) = smallest k such that n = d(d-b)(d+c), where b, c, d >= 0 and k = b+c.

n	a(n)
1	0
2	1
3	2
4	1
5	4
6	2
7	6
8	0
9	2
10	4
11	10
12	1
13	12
14	6
15	4
16	2
17	16
18	1
19	18
20	3
21	6
22	10
23	22
24	2
25	4
26	12
27	0
28	5
29	28
30	3
31	30
32	2
33	10
34	16
35	6
36	1
37	36
38	18
39	12
40	3
41	40
42	5
43	42
44	9
45	2
46	22
47	46
48	1
49	6
50	3
51	16
52	11
53	52
54	3
55	10
56	5
57	18
58	28
59	58
60	2
61	60
62	30
63	4
64	0
65	12
66	9
67	66
68	15
69	22
70	5
71	70
72	3
73	72
74	36
75	2
76	17
77	10
78	11
79	78
80	1
81	6
82	40
83	82
84	4
85	16

[0, 1, 2, 1, 4, 2, 6, 0, 2, 4, 10, 1, 12, 6, 4, 2, 16, 1, 18, 3, 6, 10, 22, 2, 4, 12, 0, 5, 28, 3, 30, 2, 10, 16, 6, 1, 36, 18, 12, 3, 40, 5, 42, 9, 2, 22, 46, 1, 6, 3, 16, 11, 52, 3, 10, 5, 18, 28, 58, 2, 60, 30, 4, 0, 12, 9, 66, 15, 22, 5, 70, 3, 72, 36, 2, 17, 10, 11, 78, 1, 6, 40, 82, 4, 16]

cp's OEIS Frontend

A147763 a(n) = smallest k such that n = d(d-b)(d+c), where b, c, d >= 0 and k = b+c.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	1
5	4
6	2
7	6
8	0
9	2
10	4
11	10
12	1
13	12
14	6
15	4
16	2
17	16
18	1
19	18
20	3
21	6
22	10
23	22
24	2
25	4
26	12
27	0
28	5
29	28
30	3
31	30
32	2
33	10
34	16
35	6
36	1
37	36
38	18
39	12
40	3
41	40
42	5
43	42
44	9
45	2
46	22
47	46
48	1
49	6
50	3
51	16
52	11
53	52
54	3
55	10
56	5
57	18
58	28
59	58
60	2
61	60
62	30
63	4
64	0
65	12
66	9
67	66
68	15
69	22
70	5
71	70
72	3
73	72
74	36
75	2
76	17
77	10
78	11
79	78
80	1
81	6
82	40
83	82
84	4
85	16

n	a(n)
1	0
2	1
3	2
4	1
5	4
6	2
7	6
8	0
9	2
10	4
11	10
12	1
13	12
14	6
15	4
16	2
17	16
18	1
19	18
20	3
21	6
22	10
23	22
24	2
25	4
26	12
27	0
28	5
29	28
30	3
31	30
32	2
33	10
34	16
35	6
36	1
37	36
38	18
39	12
40	3
41	40
42	5
43	42
44	9
45	2
46	22
47	46
48	1
49	6
50	3
51	16
52	11
53	52
54	3
55	10
56	5
57	18
58	28
59	58
60	2
61	60
62	30
63	4
64	0
65	12
66	9
67	66
68	15
69	22
70	5
71	70
72	3
73	72
74	36
75	2
76	17
77	10
78	11
79	78
80	1
81	6
82	40
83	82
84	4
85	16

cp's OEIS Frontend

A147763 a(n) = smallest k such that n = d*(d-b)*(d+c), where b, c, d >= 0 and k = b+c.

Table of values

List of values

A147763 a(n) = smallest k such that n = d(d-b)(d+c), where b, c, d >= 0 and k = b+c.

n	a(n)
1	0
2	1
3	2
4	1
5	4
6	2
7	6
8	0
9	2
10	4
11	10
12	1
13	12
14	6
15	4
16	2
17	16
18	1
19	18
20	3
21	6
22	10
23	22
24	2
25	4
26	12
27	0
28	5
29	28
30	3
31	30
32	2
33	10
34	16
35	6
36	1
37	36
38	18
39	12
40	3
41	40
42	5
43	42
44	9
45	2
46	22
47	46
48	1
49	6
50	3
51	16
52	11
53	52
54	3
55	10
56	5
57	18
58	28
59	58
60	2
61	60
62	30
63	4
64	0
65	12
66	9
67	66
68	15
69	22
70	5
71	70
72	3
73	72
74	36
75	2
76	17
77	10
78	11
79	78
80	1
81	6
82	40
83	82
84	4
85	16