A329815 - cp's OEIS frontend

A329815 Number of distinct terms in the first difference sequence of the reduced residue system of the n-th primorial.

n	a(n)
1	0
2	1
3	3
4	5
5	7
6	10
7	13
8	16
9	20
10	23
11	29
12	33
13	37
14	43
15	49
16	53
17	59
18	66
19	75
20	84
21	92
22	99
23	108
24	116
25	127
26	132
27	140
28	148
29	156
30	164
31	174
32	185
33	193
34	206
35	215
36	224
37	235
38	245
39	255
40	267
41	275
42	286
43	297
44	308

[0, 1, 3, 5, 7, 10, 13, 16, 20, 23, 29, 33, 37, 43, 49, 53, 59, 66, 75, 84, 92, 99, 108, 116, 127, 132, 140, 148, 156, 164, 174, 185, 193, 206, 215, 224, 235, 245, 255, 267, 275, 286, 297, 308]

cp's OEIS Frontend

A329815 Number of distinct terms in the first difference sequence of the reduced residue system of the n-th primorial.

Table of values

List of values

n	a(n)
1	0
2	1
3	3
4	5
5	7
6	10
7	13
8	16
9	20
10	23
11	29
12	33
13	37
14	43
15	49
16	53
17	59
18	66
19	75
20	84
21	92
22	99
23	108
24	116
25	127
26	132
27	140
28	148
29	156
30	164
31	174
32	185
33	193
34	206
35	215
36	224
37	235
38	245
39	255
40	267
41	275
42	286
43	297
44	308

n	a(n)
1	0
2	1
3	3
4	5
5	7
6	10
7	13
8	16
9	20
10	23
11	29
12	33
13	37
14	43
15	49
16	53
17	59
18	66
19	75
20	84
21	92
22	99
23	108
24	116
25	127
26	132
27	140
28	148
29	156
30	164
31	174
32	185
33	193
34	206
35	215
36	224
37	235
38	245
39	255
40	267
41	275
42	286
43	297
44	308

n	a(n)
1	0
2	1
3	3
4	5
5	7
6	10
7	13
8	16
9	20
10	23
11	29
12	33
13	37
14	43
15	49
16	53
17	59
18	66
19	75
20	84
21	92
22	99
23	108
24	116
25	127
26	132
27	140
28	148
29	156
30	164
31	174
32	185
33	193
34	206
35	215
36	224
37	235
38	245
39	255
40	267
41	275
42	286
43	297
44	308