A236846 - cp's OEIS frontend

A236846 Least inverse of A234742: a(n) = minimal k such that when it is remultiplied "upwards", from GF(2)[X] to N, the result is n, and 0 if no such k exists.

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	0
6	6
7	7
8	8
9	5
10	0
11	11
12	12
13	13
14	14
15	0
16	16
17	0
18	10
19	19
20	0
21	9
22	22
23	0
24	24
25	25
26	26
27	15
28	28
29	0
30	0
31	31
32	32
33	29
34	0
35	0
36	20
37	37
38	38
39	23
40	0
41	41
42	18
43	0
44	44
45	0
46	0
47	47
48	48
49	21
50	50
51	0
52	52
53	0
54	30
55	55
56	56
57	53
58	0
59	59
60	0
61	61
62	62
63	27
64	64
65	0
66	58
67	67
68	0
69	0
70	0
71	0
72	40
73	73
74	74
75	43
76	76
77	49
78	46
79	0
80	0
81	17
82	82
83	0
84	36
85	0
86	0
87	87
88	88
89	0
90	0
91	35

[0, 1, 2, 3, 4, 0, 6, 7, 8, 5, 0, 11, 12, 13, 14, 0, 16, 0, 10, 19, 0, 9, 22, 0, 24, 25, 26, 15, 28, 0, 0, 31, 32, 29, 0, 0, 20, 37, 38, 23, 0, 41, 18, 0, 44, 0, 0, 47, 48, 21, 50, 0, 52, 0, 30, 55, 56, 53, 0, 59, 0, 61, 62, 27, 64, 0, 58, 67, 0, 0, 0, 0, 40, 73, 74, 43, 76, 49, 46, 0, 0, 17, 82, 0, 36, 0, 0, 87, 88, 0, 0, 35]

cp's OEIS Frontend

A236846 Least inverse of A234742: a(n) = minimal k such that when it is remultiplied "upwards", from GF(2)[X] to N, the result is n, and 0 if no such k exists.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	0
6	6
7	7
8	8
9	5
10	0
11	11
12	12
13	13
14	14
15	0
16	16
17	0
18	10
19	19
20	0
21	9
22	22
23	0
24	24
25	25
26	26
27	15
28	28
29	0
30	0
31	31
32	32
33	29
34	0
35	0
36	20
37	37
38	38
39	23
40	0
41	41
42	18
43	0
44	44
45	0
46	0
47	47
48	48
49	21
50	50
51	0
52	52
53	0
54	30
55	55
56	56
57	53
58	0
59	59
60	0
61	61
62	62
63	27
64	64
65	0
66	58
67	67
68	0
69	0
70	0
71	0
72	40
73	73
74	74
75	43
76	76
77	49
78	46
79	0
80	0
81	17
82	82
83	0
84	36
85	0
86	0
87	87
88	88
89	0
90	0
91	35

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	0
6	6
7	7
8	8
9	5
10	0
11	11
12	12
13	13
14	14
15	0
16	16
17	0
18	10
19	19
20	0
21	9
22	22
23	0
24	24
25	25
26	26
27	15
28	28
29	0
30	0
31	31
32	32
33	29
34	0
35	0
36	20
37	37
38	38
39	23
40	0
41	41
42	18
43	0
44	44
45	0
46	0
47	47
48	48
49	21
50	50
51	0
52	52
53	0
54	30
55	55
56	56
57	53
58	0
59	59
60	0
61	61
62	62
63	27
64	64
65	0
66	58
67	67
68	0
69	0
70	0
71	0
72	40
73	73
74	74
75	43
76	76
77	49
78	46
79	0
80	0
81	17
82	82
83	0
84	36
85	0
86	0
87	87
88	88
89	0
90	0
91	35

n	a(n)
0	0
1	1
2	2
3	3
4	4
5	0
6	6
7	7
8	8
9	5
10	0
11	11
12	12
13	13
14	14
15	0
16	16
17	0
18	10
19	19
20	0
21	9
22	22
23	0
24	24
25	25
26	26
27	15
28	28
29	0
30	0
31	31
32	32
33	29
34	0
35	0
36	20
37	37
38	38
39	23
40	0
41	41
42	18
43	0
44	44
45	0
46	0
47	47
48	48
49	21
50	50
51	0
52	52
53	0
54	30
55	55
56	56
57	53
58	0
59	59
60	0
61	61
62	62
63	27
64	64
65	0
66	58
67	67
68	0
69	0
70	0
71	0
72	40
73	73
74	74
75	43
76	76
77	49
78	46
79	0
80	0
81	17
82	82
83	0
84	36
85	0
86	0
87	87
88	88
89	0
90	0
91	35