A337066 - cp's OEIS frontend

A337066 a(n) is the smallest k such that A336957(k) = n, or -1 if n does not appear in A336957.

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

[1, 2, -1, -1, -1, 3, -1, -1, -1, 10, -1, 7, -1, 6, 4, -1, -1, 11, -1, 15, 12, 14, -1, 35, -1, 18, -1, 19, -1, 31, -1, -1, 8, 22, 5, 39, -1, 23, 17, 27, -1, 30, -1, 43, 16, 26, -1, 67, -1, 42, 21, 47, -1, 71, 9, 34, 24, 51, -1, 63, -1, 46, 20, -1, 28, 75, -1, 55, 25, 50, -1, 79, -1, 54, 36, 38]

cp's OEIS Frontend

A337066 a(n) is the smallest k such that A336957(k) = n, or -1 if n does not appear in A336957.

Table of values

List of values

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

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

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