A284726 - cp's OEIS frontend

A284726 a(n) = (1/4) * smallest multiple of 4 missing from [A280864(1), ..., A280864(n-1)].

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	5
15	5
16	5
17	5
18	5
19	6
20	7
21	7
22	8
23	8
24	8
25	8
26	8
27	8
28	8
29	8
30	8
31	9
32	9
33	9
34	10
35	10
36	10
37	10
38	10
39	10
40	10
41	10
42	11
43	11
44	11
45	11
46	11
47	14
48	14
49	14
50	14
51	14
52	14
53	14
54	14
55	14
56	14
57	14
58	15
59	15
60	15
61	15
62	16
63	16
64	16
65	16
66	18
67	18
68	18
69	18
70	18
71	18
72	18
73	18
74	18
75	18
76	18
77	20
78	20
79	20
80	21
81	21
82	21
83	22
84	22

[1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 20, 20, 20, 21, 21, 21, 22, 22]

cp's OEIS Frontend

A284726 a(n) = (1/4) * smallest multiple of 4 missing from [A280864(1), ..., A280864(n-1)].

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	5
15	5
16	5
17	5
18	5
19	6
20	7
21	7
22	8
23	8
24	8
25	8
26	8
27	8
28	8
29	8
30	8
31	9
32	9
33	9
34	10
35	10
36	10
37	10
38	10
39	10
40	10
41	10
42	11
43	11
44	11
45	11
46	11
47	14
48	14
49	14
50	14
51	14
52	14
53	14
54	14
55	14
56	14
57	14
58	15
59	15
60	15
61	15
62	16
63	16
64	16
65	16
66	18
67	18
68	18
69	18
70	18
71	18
72	18
73	18
74	18
75	18
76	18
77	20
78	20
79	20
80	21
81	21
82	21
83	22
84	22

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	5
15	5
16	5
17	5
18	5
19	6
20	7
21	7
22	8
23	8
24	8
25	8
26	8
27	8
28	8
29	8
30	8
31	9
32	9
33	9
34	10
35	10
36	10
37	10
38	10
39	10
40	10
41	10
42	11
43	11
44	11
45	11
46	11
47	14
48	14
49	14
50	14
51	14
52	14
53	14
54	14
55	14
56	14
57	14
58	15
59	15
60	15
61	15
62	16
63	16
64	16
65	16
66	18
67	18
68	18
69	18
70	18
71	18
72	18
73	18
74	18
75	18
76	18
77	20
78	20
79	20
80	21
81	21
82	21
83	22
84	22

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	5
15	5
16	5
17	5
18	5
19	6
20	7
21	7
22	8
23	8
24	8
25	8
26	8
27	8
28	8
29	8
30	8
31	9
32	9
33	9
34	10
35	10
36	10
37	10
38	10
39	10
40	10
41	10
42	11
43	11
44	11
45	11
46	11
47	14
48	14
49	14
50	14
51	14
52	14
53	14
54	14
55	14
56	14
57	14
58	15
59	15
60	15
61	15
62	16
63	16
64	16
65	16
66	18
67	18
68	18
69	18
70	18
71	18
72	18
73	18
74	18
75	18
76	18
77	20
78	20
79	20
80	21
81	21
82	21
83	22
84	22