A067114 - cp's OEIS frontend

A067114 Let N = 24681012141618202224262830..., the concatenation of the even numbers. Then a(n) = sum of first n digits of N.

n	a(n)
1	2
2	6
3	12
4	20
5	21
6	21
7	22
8	24
9	25
10	29
11	30
12	36
13	37
14	45
15	47
16	47
17	49
18	51
19	53
20	57
21	59
22	65
23	67
24	75
25	78
26	78
27	81
28	83
29	86
30	90
31	93
32	99
33	102
34	110
35	114
36	114
37	118
38	120
39	124
40	128
41	132
42	138
43	142
44	150
45	155
46	155
47	160
48	162
49	167
50	171
51	176
52	182
53	187
54	195
55	201
56	201
57	207
58	209
59	215
60	219

[2, 6, 12, 20, 21, 21, 22, 24, 25, 29, 30, 36, 37, 45, 47, 47, 49, 51, 53, 57, 59, 65, 67, 75, 78, 78, 81, 83, 86, 90, 93, 99, 102, 110, 114, 114, 118, 120, 124, 128, 132, 138, 142, 150, 155, 155, 160, 162, 167, 171, 176, 182, 187, 195, 201, 201, 207, 209, 215, 219]

cp's OEIS Frontend

A067114 Let N = 24681012141618202224262830..., the concatenation of the even numbers. Then a(n) = sum of first n digits of N.

Table of values

List of values

n	a(n)
1	2
2	6
3	12
4	20
5	21
6	21
7	22
8	24
9	25
10	29
11	30
12	36
13	37
14	45
15	47
16	47
17	49
18	51
19	53
20	57
21	59
22	65
23	67
24	75
25	78
26	78
27	81
28	83
29	86
30	90
31	93
32	99
33	102
34	110
35	114
36	114
37	118
38	120
39	124
40	128
41	132
42	138
43	142
44	150
45	155
46	155
47	160
48	162
49	167
50	171
51	176
52	182
53	187
54	195
55	201
56	201
57	207
58	209
59	215
60	219

n	a(n)
1	2
2	6
3	12
4	20
5	21
6	21
7	22
8	24
9	25
10	29
11	30
12	36
13	37
14	45
15	47
16	47
17	49
18	51
19	53
20	57
21	59
22	65
23	67
24	75
25	78
26	78
27	81
28	83
29	86
30	90
31	93
32	99
33	102
34	110
35	114
36	114
37	118
38	120
39	124
40	128
41	132
42	138
43	142
44	150
45	155
46	155
47	160
48	162
49	167
50	171
51	176
52	182
53	187
54	195
55	201
56	201
57	207
58	209
59	215
60	219

n	a(n)
1	2
2	6
3	12
4	20
5	21
6	21
7	22
8	24
9	25
10	29
11	30
12	36
13	37
14	45
15	47
16	47
17	49
18	51
19	53
20	57
21	59
22	65
23	67
24	75
25	78
26	78
27	81
28	83
29	86
30	90
31	93
32	99
33	102
34	110
35	114
36	114
37	118
38	120
39	124
40	128
41	132
42	138
43	142
44	150
45	155
46	155
47	160
48	162
49	167
50	171
51	176
52	182
53	187
54	195
55	201
56	201
57	207
58	209
59	215
60	219