A109964 - cp's OEIS frontend

A109964 a(n) = floor(sqrt(Sum_{i a(i))), with a(0)=1.

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

[1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 28, 28, 29, 29, 30, 30, 31, 31, 32, 32, 32, 33, 33, 34, 34, 35, 35]

cp's OEIS Frontend

A109964 a(n) = floor(sqrt(Sum_{i a(i))), with a(0)=1.

Table of values

List of values

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

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

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