A344026 - cp's OEIS frontend

A344026 Arithmetic derivative applied to the Doudna sequence: a(n) = A003415(A005940(1+n)).

n	a(n)
0	0
1	1
2	1
3	4
4	1
5	5
6	6
7	12
8	1
9	7
10	8
11	16
12	10
13	21
14	27
15	32
16	1
17	9
18	10
19	24
20	12
21	31
22	39
23	44
24	14
25	45
26	55
27	60
28	75
29	81
30	108
31	80
32	1
33	13
34	14
35	32
36	16
37	41
38	51
39	68
40	18
41	59
42	71
43	92
44	95
45	123
46	162
47	112
48	22
49	77
50	91
51	140
52	119
53	185
54	240
55	156
56	147
57	275
58	350
59	216
60	500
61	297
62	405
63	192
64	1
65	15
66	16
67	48
68	18
69	61
70	75
71	92
72	20
73	87
74	103
75	124
76	135
77	165
78	216

[0, 1, 1, 4, 1, 5, 6, 12, 1, 7, 8, 16, 10, 21, 27, 32, 1, 9, 10, 24, 12, 31, 39, 44, 14, 45, 55, 60, 75, 81, 108, 80, 1, 13, 14, 32, 16, 41, 51, 68, 18, 59, 71, 92, 95, 123, 162, 112, 22, 77, 91, 140, 119, 185, 240, 156, 147, 275, 350, 216, 500, 297, 405, 192, 1, 15, 16, 48, 18, 61, 75, 92, 20, 87, 103, 124, 135, 165, 216]

cp's OEIS Frontend

A344026 Arithmetic derivative applied to the Doudna sequence: a(n) = A003415(A005940(1+n)).

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	4
4	1
5	5
6	6
7	12
8	1
9	7
10	8
11	16
12	10
13	21
14	27
15	32
16	1
17	9
18	10
19	24
20	12
21	31
22	39
23	44
24	14
25	45
26	55
27	60
28	75
29	81
30	108
31	80
32	1
33	13
34	14
35	32
36	16
37	41
38	51
39	68
40	18
41	59
42	71
43	92
44	95
45	123
46	162
47	112
48	22
49	77
50	91
51	140
52	119
53	185
54	240
55	156
56	147
57	275
58	350
59	216
60	500
61	297
62	405
63	192
64	1
65	15
66	16
67	48
68	18
69	61
70	75
71	92
72	20
73	87
74	103
75	124
76	135
77	165
78	216

n	a(n)
0	0
1	1
2	1
3	4
4	1
5	5
6	6
7	12
8	1
9	7
10	8
11	16
12	10
13	21
14	27
15	32
16	1
17	9
18	10
19	24
20	12
21	31
22	39
23	44
24	14
25	45
26	55
27	60
28	75
29	81
30	108
31	80
32	1
33	13
34	14
35	32
36	16
37	41
38	51
39	68
40	18
41	59
42	71
43	92
44	95
45	123
46	162
47	112
48	22
49	77
50	91
51	140
52	119
53	185
54	240
55	156
56	147
57	275
58	350
59	216
60	500
61	297
62	405
63	192
64	1
65	15
66	16
67	48
68	18
69	61
70	75
71	92
72	20
73	87
74	103
75	124
76	135
77	165
78	216

n	a(n)
0	0
1	1
2	1
3	4
4	1
5	5
6	6
7	12
8	1
9	7
10	8
11	16
12	10
13	21
14	27
15	32
16	1
17	9
18	10
19	24
20	12
21	31
22	39
23	44
24	14
25	45
26	55
27	60
28	75
29	81
30	108
31	80
32	1
33	13
34	14
35	32
36	16
37	41
38	51
39	68
40	18
41	59
42	71
43	92
44	95
45	123
46	162
47	112
48	22
49	77
50	91
51	140
52	119
53	185
54	240
55	156
56	147
57	275
58	350
59	216
60	500
61	297
62	405
63	192
64	1
65	15
66	16
67	48
68	18
69	61
70	75
71	92
72	20
73	87
74	103
75	124
76	135
77	165
78	216