A338923 - cp's OEIS frontend

A338923 Every even term k of the sequence is the cumulative sum of the even digits used so far (the digits of k are included in the sum).

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	7
7	9
8	11
9	13
10	15
11	17
12	19
13	21
14	23
15	25
16	27
17	10
18	12
19	29
20	31
21	33
22	35
23	37
24	39
25	41
26	20
27	43
28	45
29	47
30	49
31	40
32	51
33	53
34	55
35	57
36	59
37	61
38	63
39	65
40	67
41	69
42	70
43	71
44	72
45	73
46	75
47	77
48	79
49	80
50	81
51	83
52	85
53	87
54	89
55	91
56	93
57	95
58	97
59	99
60	101
61	103
62	105
63	107
64	109
65	111
66	113
67	115
68	117
69	119
70	121
71	123
72	125
73	127
74	129
75	130

[0, 1, 2, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 10, 12, 29, 31, 33, 35, 37, 39, 41, 20, 43, 45, 47, 49, 40, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 70, 71, 72, 73, 75, 77, 79, 80, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 119, 121, 123, 125, 127, 129, 130]

cp's OEIS Frontend

A338923 Every even term k of the sequence is the cumulative sum of the even digits used so far (the digits of k are included in the sum).

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	7
7	9
8	11
9	13
10	15
11	17
12	19
13	21
14	23
15	25
16	27
17	10
18	12
19	29
20	31
21	33
22	35
23	37
24	39
25	41
26	20
27	43
28	45
29	47
30	49
31	40
32	51
33	53
34	55
35	57
36	59
37	61
38	63
39	65
40	67
41	69
42	70
43	71
44	72
45	73
46	75
47	77
48	79
49	80
50	81
51	83
52	85
53	87
54	89
55	91
56	93
57	95
58	97
59	99
60	101
61	103
62	105
63	107
64	109
65	111
66	113
67	115
68	117
69	119
70	121
71	123
72	125
73	127
74	129
75	130

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	7
7	9
8	11
9	13
10	15
11	17
12	19
13	21
14	23
15	25
16	27
17	10
18	12
19	29
20	31
21	33
22	35
23	37
24	39
25	41
26	20
27	43
28	45
29	47
30	49
31	40
32	51
33	53
34	55
35	57
36	59
37	61
38	63
39	65
40	67
41	69
42	70
43	71
44	72
45	73
46	75
47	77
48	79
49	80
50	81
51	83
52	85
53	87
54	89
55	91
56	93
57	95
58	97
59	99
60	101
61	103
62	105
63	107
64	109
65	111
66	113
67	115
68	117
69	119
70	121
71	123
72	125
73	127
74	129
75	130

n	a(n)
1	0
2	1
3	2
4	3
5	5
6	7
7	9
8	11
9	13
10	15
11	17
12	19
13	21
14	23
15	25
16	27
17	10
18	12
19	29
20	31
21	33
22	35
23	37
24	39
25	41
26	20
27	43
28	45
29	47
30	49
31	40
32	51
33	53
34	55
35	57
36	59
37	61
38	63
39	65
40	67
41	69
42	70
43	71
44	72
45	73
46	75
47	77
48	79
49	80
50	81
51	83
52	85
53	87
54	89
55	91
56	93
57	95
58	97
59	99
60	101
61	103
62	105
63	107
64	109
65	111
66	113
67	115
68	117
69	119
70	121
71	123
72	125
73	127
74	129
75	130