A321788 - cp's OEIS frontend

A321788 Product of semiprime factors using lunar arithmetic.

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	3
7	3
8	11
9	5
10	12
11	11
12	12
13	5
14	12
15	13
16	22
17	7
18	13
19	11
20	13
21	22
22	21
23	13
24	23
25	22
26	11
27	21
28	15
29	22
30	23
31	13
32	31
33	22
34	15
35	22
36	33
37	23
38	22
39	17
40	111
41	21
42	31
43	33
44	17
45	22
46	33
47	21
48	111
49	25
50	22
51	31
52	22
53	33
54	23
55	22
56	113
57	33
58	22
59	31
60	35
61	111
62	22
63	33
64	101
65	27
66	41
67	102
68	111
69	31
70	102
71	43
72	31
73	102
74	33
75	113
76	112
77	45

[2, 2, 3, 2, 2, 3, 3, 11, 5, 12, 11, 12, 5, 12, 13, 22, 7, 13, 11, 13, 22, 21, 13, 23, 22, 11, 21, 15, 22, 23, 13, 31, 22, 15, 22, 33, 23, 22, 17, 111, 21, 31, 33, 17, 22, 33, 21, 111, 25, 22, 31, 22, 33, 23, 22, 113, 33, 22, 31, 35, 111, 22, 33, 101, 27, 41, 102, 111, 31, 102, 43, 31, 102, 33, 113, 112, 45]

cp's OEIS Frontend

A321788 Product of semiprime factors using lunar arithmetic.

Table of values

List of values

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	3
7	3
8	11
9	5
10	12
11	11
12	12
13	5
14	12
15	13
16	22
17	7
18	13
19	11
20	13
21	22
22	21
23	13
24	23
25	22
26	11
27	21
28	15
29	22
30	23
31	13
32	31
33	22
34	15
35	22
36	33
37	23
38	22
39	17
40	111
41	21
42	31
43	33
44	17
45	22
46	33
47	21
48	111
49	25
50	22
51	31
52	22
53	33
54	23
55	22
56	113
57	33
58	22
59	31
60	35
61	111
62	22
63	33
64	101
65	27
66	41
67	102
68	111
69	31
70	102
71	43
72	31
73	102
74	33
75	113
76	112
77	45

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	3
7	3
8	11
9	5
10	12
11	11
12	12
13	5
14	12
15	13
16	22
17	7
18	13
19	11
20	13
21	22
22	21
23	13
24	23
25	22
26	11
27	21
28	15
29	22
30	23
31	13
32	31
33	22
34	15
35	22
36	33
37	23
38	22
39	17
40	111
41	21
42	31
43	33
44	17
45	22
46	33
47	21
48	111
49	25
50	22
51	31
52	22
53	33
54	23
55	22
56	113
57	33
58	22
59	31
60	35
61	111
62	22
63	33
64	101
65	27
66	41
67	102
68	111
69	31
70	102
71	43
72	31
73	102
74	33
75	113
76	112
77	45

n	a(n)
1	2
2	2
3	3
4	2
5	2
6	3
7	3
8	11
9	5
10	12
11	11
12	12
13	5
14	12
15	13
16	22
17	7
18	13
19	11
20	13
21	22
22	21
23	13
24	23
25	22
26	11
27	21
28	15
29	22
30	23
31	13
32	31
33	22
34	15
35	22
36	33
37	23
38	22
39	17
40	111
41	21
42	31
43	33
44	17
45	22
46	33
47	21
48	111
49	25
50	22
51	31
52	22
53	33
54	23
55	22
56	113
57	33
58	22
59	31
60	35
61	111
62	22
63	33
64	101
65	27
66	41
67	102
68	111
69	31
70	102
71	43
72	31
73	102
74	33
75	113
76	112
77	45