A235915 - cp's OEIS frontend

A235915 a(1) = 1, a(n) = a(n-1) + (digsum(a(n-1)) mod 5) + 1, digsum = A007953.

n	a(n)
1	1
2	3
3	7
4	10
5	12
6	16
7	19
8	20
9	23
10	24
11	26
12	30
13	34
14	37
15	38
16	40
17	45
18	50
19	51
20	53
21	57
22	60
23	62
24	66
25	69
26	70
27	73
28	74
29	76
30	80
31	84
32	87
33	88
34	90
35	95
36	100
37	102
38	106
39	109
40	110
41	113
42	114
43	116
44	120
45	124
46	127
47	128
48	130
49	135
50	140
51	141

[1, 3, 7, 10, 12, 16, 19, 20, 23, 24, 26, 30, 34, 37, 38, 40, 45, 50, 51, 53, 57, 60, 62, 66, 69, 70, 73, 74, 76, 80, 84, 87, 88, 90, 95, 100, 102, 106, 109, 110, 113, 114, 116, 120, 124, 127, 128, 130, 135, 140, 141]

cp's OEIS Frontend

A235915 a(1) = 1, a(n) = a(n-1) + (digsum(a(n-1)) mod 5) + 1, digsum = A007953.

Table of values

List of values

n	a(n)
1	1
2	3
3	7
4	10
5	12
6	16
7	19
8	20
9	23
10	24
11	26
12	30
13	34
14	37
15	38
16	40
17	45
18	50
19	51
20	53
21	57
22	60
23	62
24	66
25	69
26	70
27	73
28	74
29	76
30	80
31	84
32	87
33	88
34	90
35	95
36	100
37	102
38	106
39	109
40	110
41	113
42	114
43	116
44	120
45	124
46	127
47	128
48	130
49	135
50	140
51	141

n	a(n)
1	1
2	3
3	7
4	10
5	12
6	16
7	19
8	20
9	23
10	24
11	26
12	30
13	34
14	37
15	38
16	40
17	45
18	50
19	51
20	53
21	57
22	60
23	62
24	66
25	69
26	70
27	73
28	74
29	76
30	80
31	84
32	87
33	88
34	90
35	95
36	100
37	102
38	106
39	109
40	110
41	113
42	114
43	116
44	120
45	124
46	127
47	128
48	130
49	135
50	140
51	141

n	a(n)
1	1
2	3
3	7
4	10
5	12
6	16
7	19
8	20
9	23
10	24
11	26
12	30
13	34
14	37
15	38
16	40
17	45
18	50
19	51
20	53
21	57
22	60
23	62
24	66
25	69
26	70
27	73
28	74
29	76
30	80
31	84
32	87
33	88
34	90
35	95
36	100
37	102
38	106
39	109
40	110
41	113
42	114
43	116
44	120
45	124
46	127
47	128
48	130
49	135
50	140
51	141