A370075 - cp's OEIS frontend

A370075 Iterated partial sums of Euler totient function (A000010). Square array read by descending antidiagonals.

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	1
7	2
8	4
9	3
10	1
11	4
12	6
13	7
14	4
15	1
16	2
17	10
18	13
19	11
20	5
21	1
22	6
23	12
24	23
25	24
26	16
27	6
28	1
29	4
30	18
31	35
32	47
33	40
34	22
35	7
36	1
37	6
38	22
39	53
40	82
41	87
42	62
43	29
44	8
45	1
46	4
47	28
48	75
49	135
50	169
51	149
52	91
53	37
54	9
55	1
56	10
57	32
58	103
59	210
60	304
61	318
62	240
63	128
64	46
65	10
66	1

[1, 1, 1, 2, 2, 1, 2, 4, 3, 1, 4, 6, 7, 4, 1, 2, 10, 13, 11, 5, 1, 6, 12, 23, 24, 16, 6, 1, 4, 18, 35, 47, 40, 22, 7, 1, 6, 22, 53, 82, 87, 62, 29, 8, 1, 4, 28, 75, 135, 169, 149, 91, 37, 9, 1, 10, 32, 103, 210, 304, 318, 240, 128, 46, 10, 1]

cp's OEIS Frontend

A370075 Iterated partial sums of Euler totient function (A000010). Square array read by descending antidiagonals.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	1
7	2
8	4
9	3
10	1
11	4
12	6
13	7
14	4
15	1
16	2
17	10
18	13
19	11
20	5
21	1
22	6
23	12
24	23
25	24
26	16
27	6
28	1
29	4
30	18
31	35
32	47
33	40
34	22
35	7
36	1
37	6
38	22
39	53
40	82
41	87
42	62
43	29
44	8
45	1
46	4
47	28
48	75
49	135
50	169
51	149
52	91
53	37
54	9
55	1
56	10
57	32
58	103
59	210
60	304
61	318
62	240
63	128
64	46
65	10
66	1

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	1
7	2
8	4
9	3
10	1
11	4
12	6
13	7
14	4
15	1
16	2
17	10
18	13
19	11
20	5
21	1
22	6
23	12
24	23
25	24
26	16
27	6
28	1
29	4
30	18
31	35
32	47
33	40
34	22
35	7
36	1
37	6
38	22
39	53
40	82
41	87
42	62
43	29
44	8
45	1
46	4
47	28
48	75
49	135
50	169
51	149
52	91
53	37
54	9
55	1
56	10
57	32
58	103
59	210
60	304
61	318
62	240
63	128
64	46
65	10
66	1

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	1
7	2
8	4
9	3
10	1
11	4
12	6
13	7
14	4
15	1
16	2
17	10
18	13
19	11
20	5
21	1
22	6
23	12
24	23
25	24
26	16
27	6
28	1
29	4
30	18
31	35
32	47
33	40
34	22
35	7
36	1
37	6
38	22
39	53
40	82
41	87
42	62
43	29
44	8
45	1
46	4
47	28
48	75
49	135
50	169
51	149
52	91
53	37
54	9
55	1
56	10
57	32
58	103
59	210
60	304
61	318
62	240
63	128
64	46
65	10
66	1