A001613 - cp's OEIS frontend

A001613 Delete all odd digits from n.

n	a(n)
0	0
1	0
2	2
3	0
4	4
5	0
6	6
7	0
8	8
9	0
10	0
11	0
12	2
13	0
14	4
15	0
16	6
17	0
18	8
19	0
20	20
21	2
22	22
23	2
24	24
25	2
26	26
27	2
28	28
29	2
30	0
31	0
32	2
33	0
34	4
35	0
36	6
37	0
38	8
39	0
40	40
41	4
42	42
43	4
44	44
45	4
46	46
47	4
48	48
49	4
50	0
51	0
52	2
53	0
54	4
55	0
56	6
57	0
58	8
59	0
60	60
61	6
62	62
63	6
64	64
65	6
66	66
67	6
68	68
69	6
70	0
71	0
72	2
73	0
74	4
75	0
76	6
77	0
78	8
79	0
80	80
81	8

[0, 0, 2, 0, 4, 0, 6, 0, 8, 0, 0, 0, 2, 0, 4, 0, 6, 0, 8, 0, 20, 2, 22, 2, 24, 2, 26, 2, 28, 2, 0, 0, 2, 0, 4, 0, 6, 0, 8, 0, 40, 4, 42, 4, 44, 4, 46, 4, 48, 4, 0, 0, 2, 0, 4, 0, 6, 0, 8, 0, 60, 6, 62, 6, 64, 6, 66, 6, 68, 6, 0, 0, 2, 0, 4, 0, 6, 0, 8, 0, 80, 8]

cp's OEIS Frontend

A001613 Delete all odd digits from n.

Table of values

List of values

n	a(n)
0	0
1	0
2	2
3	0
4	4
5	0
6	6
7	0
8	8
9	0
10	0
11	0
12	2
13	0
14	4
15	0
16	6
17	0
18	8
19	0
20	20
21	2
22	22
23	2
24	24
25	2
26	26
27	2
28	28
29	2
30	0
31	0
32	2
33	0
34	4
35	0
36	6
37	0
38	8
39	0
40	40
41	4
42	42
43	4
44	44
45	4
46	46
47	4
48	48
49	4
50	0
51	0
52	2
53	0
54	4
55	0
56	6
57	0
58	8
59	0
60	60
61	6
62	62
63	6
64	64
65	6
66	66
67	6
68	68
69	6
70	0
71	0
72	2
73	0
74	4
75	0
76	6
77	0
78	8
79	0
80	80
81	8

n	a(n)
0	0
1	0
2	2
3	0
4	4
5	0
6	6
7	0
8	8
9	0
10	0
11	0
12	2
13	0
14	4
15	0
16	6
17	0
18	8
19	0
20	20
21	2
22	22
23	2
24	24
25	2
26	26
27	2
28	28
29	2
30	0
31	0
32	2
33	0
34	4
35	0
36	6
37	0
38	8
39	0
40	40
41	4
42	42
43	4
44	44
45	4
46	46
47	4
48	48
49	4
50	0
51	0
52	2
53	0
54	4
55	0
56	6
57	0
58	8
59	0
60	60
61	6
62	62
63	6
64	64
65	6
66	66
67	6
68	68
69	6
70	0
71	0
72	2
73	0
74	4
75	0
76	6
77	0
78	8
79	0
80	80
81	8

n	a(n)
0	0
1	0
2	2
3	0
4	4
5	0
6	6
7	0
8	8
9	0
10	0
11	0
12	2
13	0
14	4
15	0
16	6
17	0
18	8
19	0
20	20
21	2
22	22
23	2
24	24
25	2
26	26
27	2
28	28
29	2
30	0
31	0
32	2
33	0
34	4
35	0
36	6
37	0
38	8
39	0
40	40
41	4
42	42
43	4
44	44
45	4
46	46
47	4
48	48
49	4
50	0
51	0
52	2
53	0
54	4
55	0
56	6
57	0
58	8
59	0
60	60
61	6
62	62
63	6
64	64
65	6
66	66
67	6
68	68
69	6
70	0
71	0
72	2
73	0
74	4
75	0
76	6
77	0
78	8
79	0
80	80
81	8