A378852 - cp's OEIS frontend

A378852 a(1) = 1. For n > 1 a(n) is the number of terms a(i); 1 <= i <= n-1 such that d(a(i)) >= d(a(n-1)), where d is the decimal digital sum function A007953.

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	1
7	6
8	1
9	8
10	1
11	10
12	11
13	5
14	3
15	5
16	4
17	6
18	3
19	9
20	1
21	20
22	13
23	9
24	2
25	16
26	4
27	12
28	15
29	7
30	5
31	11
32	23
33	12
34	20
35	26
36	4
37	18
38	3
39	24
40	11
41	32
42	16
43	8
44	6
45	14
46	20
47	38
48	1
49	48
50	1
51	50
52	23
53	24
54	17
55	9
56	6
57	20
58	47
59	3
60	40
61	35
62	12
63	43
64	16
65	17
66	13
67	40
68	41
69	34
70	19
71	4
72	45
73	9
74	10
75	74
76	4
77	49
78	1
79	78
80	1
81	80

[1, 1, 2, 1, 4, 1, 6, 1, 8, 1, 10, 11, 5, 3, 5, 4, 6, 3, 9, 1, 20, 13, 9, 2, 16, 4, 12, 15, 7, 5, 11, 23, 12, 20, 26, 4, 18, 3, 24, 11, 32, 16, 8, 6, 14, 20, 38, 1, 48, 1, 50, 23, 24, 17, 9, 6, 20, 47, 3, 40, 35, 12, 43, 16, 17, 13, 40, 41, 34, 19, 4, 45, 9, 10, 74, 4, 49, 1, 78, 1, 80]

cp's OEIS Frontend

A378852 a(1) = 1. For n > 1 a(n) is the number of terms a(i); 1 <= i <= n-1 such that d(a(i)) >= d(a(n-1)), where d is the decimal digital sum function A007953.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	1
7	6
8	1
9	8
10	1
11	10
12	11
13	5
14	3
15	5
16	4
17	6
18	3
19	9
20	1
21	20
22	13
23	9
24	2
25	16
26	4
27	12
28	15
29	7
30	5
31	11
32	23
33	12
34	20
35	26
36	4
37	18
38	3
39	24
40	11
41	32
42	16
43	8
44	6
45	14
46	20
47	38
48	1
49	48
50	1
51	50
52	23
53	24
54	17
55	9
56	6
57	20
58	47
59	3
60	40
61	35
62	12
63	43
64	16
65	17
66	13
67	40
68	41
69	34
70	19
71	4
72	45
73	9
74	10
75	74
76	4
77	49
78	1
79	78
80	1
81	80

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	1
7	6
8	1
9	8
10	1
11	10
12	11
13	5
14	3
15	5
16	4
17	6
18	3
19	9
20	1
21	20
22	13
23	9
24	2
25	16
26	4
27	12
28	15
29	7
30	5
31	11
32	23
33	12
34	20
35	26
36	4
37	18
38	3
39	24
40	11
41	32
42	16
43	8
44	6
45	14
46	20
47	38
48	1
49	48
50	1
51	50
52	23
53	24
54	17
55	9
56	6
57	20
58	47
59	3
60	40
61	35
62	12
63	43
64	16
65	17
66	13
67	40
68	41
69	34
70	19
71	4
72	45
73	9
74	10
75	74
76	4
77	49
78	1
79	78
80	1
81	80

n	a(n)
1	1
2	1
3	2
4	1
5	4
6	1
7	6
8	1
9	8
10	1
11	10
12	11
13	5
14	3
15	5
16	4
17	6
18	3
19	9
20	1
21	20
22	13
23	9
24	2
25	16
26	4
27	12
28	15
29	7
30	5
31	11
32	23
33	12
34	20
35	26
36	4
37	18
38	3
39	24
40	11
41	32
42	16
43	8
44	6
45	14
46	20
47	38
48	1
49	48
50	1
51	50
52	23
53	24
54	17
55	9
56	6
57	20
58	47
59	3
60	40
61	35
62	12
63	43
64	16
65	17
66	13
67	40
68	41
69	34
70	19
71	4
72	45
73	9
74	10
75	74
76	4
77	49
78	1
79	78
80	1
81	80