A260123 - cp's OEIS frontend

A260123 The second infinite sequence of positive integers such that a(n) = A037445(a(1)+a(2)+...+a(n)) for all n>=1 (see also A260085).

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	2
7	4
8	2
9	4
10	2
11	4
12	2
13	2
14	4
15	4
16	2
17	4
18	2
19	4
20	2
21	4
22	2
23	2
24	4
25	4
26	2
27	2
28	4
29	2
30	2
31	2
32	4
33	4
34	4
35	2
36	8
37	2
38	4
39	4
40	4
41	2
42	4
43	2
44	8
45	2
46	2
47	4
48	4
49	2
50	2
51	4
52	2
53	8
54	2
55	4
56	2
57	4
58	2
59	4
60	4
61	8
62	2
63	4
64	4
65	4
66	4
67	4
68	4
69	2
70	8
71	2
72	4
73	2
74	4
75	4
76	8
77	2
78	4
79	2
80	4
81	2
82	2
83	4
84	4
85	2
86	2
87	4
88	2
89	8
90	4
91	4
92	2
93	8
94	2
95	4
96	4
97	4
98	2
99	4
100	2
101	8
102	2
103	2
104	8

[1, 2, 2, 2, 2, 2, 4, 2, 4, 2, 4, 2, 2, 4, 4, 2, 4, 2, 4, 2, 4, 2, 2, 4, 4, 2, 2, 4, 2, 2, 2, 4, 4, 4, 2, 8, 2, 4, 4, 4, 2, 4, 2, 8, 2, 2, 4, 4, 2, 2, 4, 2, 8, 2, 4, 2, 4, 2, 4, 4, 8, 2, 4, 4, 4, 4, 4, 4, 2, 8, 2, 4, 2, 4, 4, 8, 2, 4, 2, 4, 2, 2, 4, 4, 2, 2, 4, 2, 8, 4, 4, 2, 8, 2, 4, 4, 4, 2, 4, 2, 8, 2, 2, 8]

cp's OEIS Frontend

A260123 The second infinite sequence of positive integers such that a(n) = A037445(a(1)+a(2)+...+a(n)) for all n>=1 (see also A260085).

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	2
7	4
8	2
9	4
10	2
11	4
12	2
13	2
14	4
15	4
16	2
17	4
18	2
19	4
20	2
21	4
22	2
23	2
24	4
25	4
26	2
27	2
28	4
29	2
30	2
31	2
32	4
33	4
34	4
35	2
36	8
37	2
38	4
39	4
40	4
41	2
42	4
43	2
44	8
45	2
46	2
47	4
48	4
49	2
50	2
51	4
52	2
53	8
54	2
55	4
56	2
57	4
58	2
59	4
60	4
61	8
62	2
63	4
64	4
65	4
66	4
67	4
68	4
69	2
70	8
71	2
72	4
73	2
74	4
75	4
76	8
77	2
78	4
79	2
80	4
81	2
82	2
83	4
84	4
85	2
86	2
87	4
88	2
89	8
90	4
91	4
92	2
93	8
94	2
95	4
96	4
97	4
98	2
99	4
100	2
101	8
102	2
103	2
104	8

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	2
7	4
8	2
9	4
10	2
11	4
12	2
13	2
14	4
15	4
16	2
17	4
18	2
19	4
20	2
21	4
22	2
23	2
24	4
25	4
26	2
27	2
28	4
29	2
30	2
31	2
32	4
33	4
34	4
35	2
36	8
37	2
38	4
39	4
40	4
41	2
42	4
43	2
44	8
45	2
46	2
47	4
48	4
49	2
50	2
51	4
52	2
53	8
54	2
55	4
56	2
57	4
58	2
59	4
60	4
61	8
62	2
63	4
64	4
65	4
66	4
67	4
68	4
69	2
70	8
71	2
72	4
73	2
74	4
75	4
76	8
77	2
78	4
79	2
80	4
81	2
82	2
83	4
84	4
85	2
86	2
87	4
88	2
89	8
90	4
91	4
92	2
93	8
94	2
95	4
96	4
97	4
98	2
99	4
100	2
101	8
102	2
103	2
104	8

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	2
7	4
8	2
9	4
10	2
11	4
12	2
13	2
14	4
15	4
16	2
17	4
18	2
19	4
20	2
21	4
22	2
23	2
24	4
25	4
26	2
27	2
28	4
29	2
30	2
31	2
32	4
33	4
34	4
35	2
36	8
37	2
38	4
39	4
40	4
41	2
42	4
43	2
44	8
45	2
46	2
47	4
48	4
49	2
50	2
51	4
52	2
53	8
54	2
55	4
56	2
57	4
58	2
59	4
60	4
61	8
62	2
63	4
64	4
65	4
66	4
67	4
68	4
69	2
70	8
71	2
72	4
73	2
74	4
75	4
76	8
77	2
78	4
79	2
80	4
81	2
82	2
83	4
84	4
85	2
86	2
87	4
88	2
89	8
90	4
91	4
92	2
93	8
94	2
95	4
96	4
97	4
98	2
99	4
100	2
101	8
102	2
103	2
104	8