A131254 - cp's OEIS frontend

A131254 A004070 * A000012.

n	a(n)
0	1
1	2
2	1
3	4
4	3
5	1
6	7
7	6
8	4
9	1
10	12
11	11
12	9
13	5
14	1
15	20
16	19
17	17
18	13
19	6
20	1
21	33
22	32
23	30
24	26
25	18
26	7
27	1
28	54
29	53
30	51
31	47
32	39
33	24
34	8
35	1
36	88
37	87
38	85
39	81
40	73
41	57
42	31
43	9
44	1
45	143
46	142
47	140
48	136
49	128
50	112
51	81
52	39
53	10
54	1

[1, 2, 1, 4, 3, 1, 7, 6, 4, 1, 12, 11, 9, 5, 1, 20, 19, 17, 13, 6, 1, 33, 32, 30, 26, 18, 7, 1, 54, 53, 51, 47, 39, 24, 8, 1, 88, 87, 85, 81, 73, 57, 31, 9, 1, 143, 142, 140, 136, 128, 112, 81, 39, 10, 1]

cp's OEIS Frontend

A131254 A004070 * A000012.

Table of values

List of values

n	a(n)
0	1
1	2
2	1
3	4
4	3
5	1
6	7
7	6
8	4
9	1
10	12
11	11
12	9
13	5
14	1
15	20
16	19
17	17
18	13
19	6
20	1
21	33
22	32
23	30
24	26
25	18
26	7
27	1
28	54
29	53
30	51
31	47
32	39
33	24
34	8
35	1
36	88
37	87
38	85
39	81
40	73
41	57
42	31
43	9
44	1
45	143
46	142
47	140
48	136
49	128
50	112
51	81
52	39
53	10
54	1

n	a(n)
0	1
1	2
2	1
3	4
4	3
5	1
6	7
7	6
8	4
9	1
10	12
11	11
12	9
13	5
14	1
15	20
16	19
17	17
18	13
19	6
20	1
21	33
22	32
23	30
24	26
25	18
26	7
27	1
28	54
29	53
30	51
31	47
32	39
33	24
34	8
35	1
36	88
37	87
38	85
39	81
40	73
41	57
42	31
43	9
44	1
45	143
46	142
47	140
48	136
49	128
50	112
51	81
52	39
53	10
54	1

n	a(n)
0	1
1	2
2	1
3	4
4	3
5	1
6	7
7	6
8	4
9	1
10	12
11	11
12	9
13	5
14	1
15	20
16	19
17	17
18	13
19	6
20	1
21	33
22	32
23	30
24	26
25	18
26	7
27	1
28	54
29	53
30	51
31	47
32	39
33	24
34	8
35	1
36	88
37	87
38	85
39	81
40	73
41	57
42	31
43	9
44	1
45	143
46	142
47	140
48	136
49	128
50	112
51	81
52	39
53	10
54	1