A305813 - cp's OEIS frontend

A305813 Restricted growth sequence transform of A305812, a filter sequence constructed from the GF(2)[X]-factorization signatures of the proper divisors of n.

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	2
8	5
9	3
10	5
11	2
12	6
13	2
14	4
15	5
16	7
17	2
18	8
19	2
20	9
21	4
22	4
23	2
24	10
25	11
26	4
27	12
28	6
29	2
30	10
31	2
32	13
33	4
34	14
35	5
36	15
37	2
38	4
39	4
40	16
41	2
42	17
43	2
44	6
45	18
46	12
47	2
48	19
49	3
50	20
51	14
52	6
53	2
54	21
55	5
56	10
57	4
58	12
59	2
60	22
61	2
62	4
63	6
64	23
65	5
66	24
67	2
68	25
69	12
70	26
71	2
72	27
73	2
74	4
75	28
76	6
77	4
78	29
79	2
80	30
81	31
82	4
83	2
84	32
85	33
86	12
87	12
88	10
89	2
90	34
91	4
92	35
93	4
94	4
95	5
96	36
97	2
98	8
99	8
100	37
101	2
102	38
103	2
104	10
105	39

[1, 2, 2, 3, 2, 4, 2, 5, 3, 5, 2, 6, 2, 4, 5, 7, 2, 8, 2, 9, 4, 4, 2, 10, 11, 4, 12, 6, 2, 10, 2, 13, 4, 14, 5, 15, 2, 4, 4, 16, 2, 17, 2, 6, 18, 12, 2, 19, 3, 20, 14, 6, 2, 21, 5, 10, 4, 12, 2, 22, 2, 4, 6, 23, 5, 24, 2, 25, 12, 26, 2, 27, 2, 4, 28, 6, 4, 29, 2, 30, 31, 4, 2, 32, 33, 12, 12, 10, 2, 34, 4, 35, 4, 4, 5, 36, 2, 8, 8, 37, 2, 38, 2, 10, 39]

cp's OEIS Frontend

A305813 Restricted growth sequence transform of A305812, a filter sequence constructed from the GF(2)[X]-factorization signatures of the proper divisors of n.

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	2
8	5
9	3
10	5
11	2
12	6
13	2
14	4
15	5
16	7
17	2
18	8
19	2
20	9
21	4
22	4
23	2
24	10
25	11
26	4
27	12
28	6
29	2
30	10
31	2
32	13
33	4
34	14
35	5
36	15
37	2
38	4
39	4
40	16
41	2
42	17
43	2
44	6
45	18
46	12
47	2
48	19
49	3
50	20
51	14
52	6
53	2
54	21
55	5
56	10
57	4
58	12
59	2
60	22
61	2
62	4
63	6
64	23
65	5
66	24
67	2
68	25
69	12
70	26
71	2
72	27
73	2
74	4
75	28
76	6
77	4
78	29
79	2
80	30
81	31
82	4
83	2
84	32
85	33
86	12
87	12
88	10
89	2
90	34
91	4
92	35
93	4
94	4
95	5
96	36
97	2
98	8
99	8
100	37
101	2
102	38
103	2
104	10
105	39

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	2
8	5
9	3
10	5
11	2
12	6
13	2
14	4
15	5
16	7
17	2
18	8
19	2
20	9
21	4
22	4
23	2
24	10
25	11
26	4
27	12
28	6
29	2
30	10
31	2
32	13
33	4
34	14
35	5
36	15
37	2
38	4
39	4
40	16
41	2
42	17
43	2
44	6
45	18
46	12
47	2
48	19
49	3
50	20
51	14
52	6
53	2
54	21
55	5
56	10
57	4
58	12
59	2
60	22
61	2
62	4
63	6
64	23
65	5
66	24
67	2
68	25
69	12
70	26
71	2
72	27
73	2
74	4
75	28
76	6
77	4
78	29
79	2
80	30
81	31
82	4
83	2
84	32
85	33
86	12
87	12
88	10
89	2
90	34
91	4
92	35
93	4
94	4
95	5
96	36
97	2
98	8
99	8
100	37
101	2
102	38
103	2
104	10
105	39

n	a(n)
1	1
2	2
3	2
4	3
5	2
6	4
7	2
8	5
9	3
10	5
11	2
12	6
13	2
14	4
15	5
16	7
17	2
18	8
19	2
20	9
21	4
22	4
23	2
24	10
25	11
26	4
27	12
28	6
29	2
30	10
31	2
32	13
33	4
34	14
35	5
36	15
37	2
38	4
39	4
40	16
41	2
42	17
43	2
44	6
45	18
46	12
47	2
48	19
49	3
50	20
51	14
52	6
53	2
54	21
55	5
56	10
57	4
58	12
59	2
60	22
61	2
62	4
63	6
64	23
65	5
66	24
67	2
68	25
69	12
70	26
71	2
72	27
73	2
74	4
75	28
76	6
77	4
78	29
79	2
80	30
81	31
82	4
83	2
84	32
85	33
86	12
87	12
88	10
89	2
90	34
91	4
92	35
93	4
94	4
95	5
96	36
97	2
98	8
99	8
100	37
101	2
102	38
103	2
104	10
105	39