A244644 - cp's OEIS frontend

A244644 Consider the method used by Archimedes to determine the value of Pi (A000796). This sequence denotes the number of iterations of his algorithm which would result in a difference of less than 1/10^n from that of Pi.

n	a(n)
0	0
1	1
2	3
3	5
4	6
5	8
6	10
7	11
8	13
9	15
10	16
11	18
12	20
13	21
14	23
15	25
16	26
17	28
18	29
19	31
20	33
21	34
22	36
23	38
24	39
25	41
26	43
27	44
28	46
29	48
30	49
31	51
32	53
33	54
34	56
35	58
36	59
37	61
38	63
39	64
40	66
41	68
42	69
43	71
44	73
45	74
46	76
47	78
48	79
49	81
50	83
51	84
52	86
53	88
54	89
55	91
56	93
57	94
58	96
59	98
60	99
61	101
62	103
63	104
64	106
65	108
66	109
67	111
68	113
69	114

[0, 1, 3, 5, 6, 8, 10, 11, 13, 15, 16, 18, 20, 21, 23, 25, 26, 28, 29, 31, 33, 34, 36, 38, 39, 41, 43, 44, 46, 48, 49, 51, 53, 54, 56, 58, 59, 61, 63, 64, 66, 68, 69, 71, 73, 74, 76, 78, 79, 81, 83, 84, 86, 88, 89, 91, 93, 94, 96, 98, 99, 101, 103, 104, 106, 108, 109, 111, 113, 114]

cp's OEIS Frontend

A244644 Consider the method used by Archimedes to determine the value of Pi (A000796). This sequence denotes the number of iterations of his algorithm which would result in a difference of less than 1/10^n from that of Pi.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	5
4	6
5	8
6	10
7	11
8	13
9	15
10	16
11	18
12	20
13	21
14	23
15	25
16	26
17	28
18	29
19	31
20	33
21	34
22	36
23	38
24	39
25	41
26	43
27	44
28	46
29	48
30	49
31	51
32	53
33	54
34	56
35	58
36	59
37	61
38	63
39	64
40	66
41	68
42	69
43	71
44	73
45	74
46	76
47	78
48	79
49	81
50	83
51	84
52	86
53	88
54	89
55	91
56	93
57	94
58	96
59	98
60	99
61	101
62	103
63	104
64	106
65	108
66	109
67	111
68	113
69	114

n	a(n)
0	0
1	1
2	3
3	5
4	6
5	8
6	10
7	11
8	13
9	15
10	16
11	18
12	20
13	21
14	23
15	25
16	26
17	28
18	29
19	31
20	33
21	34
22	36
23	38
24	39
25	41
26	43
27	44
28	46
29	48
30	49
31	51
32	53
33	54
34	56
35	58
36	59
37	61
38	63
39	64
40	66
41	68
42	69
43	71
44	73
45	74
46	76
47	78
48	79
49	81
50	83
51	84
52	86
53	88
54	89
55	91
56	93
57	94
58	96
59	98
60	99
61	101
62	103
63	104
64	106
65	108
66	109
67	111
68	113
69	114

n	a(n)
0	0
1	1
2	3
3	5
4	6
5	8
6	10
7	11
8	13
9	15
10	16
11	18
12	20
13	21
14	23
15	25
16	26
17	28
18	29
19	31
20	33
21	34
22	36
23	38
24	39
25	41
26	43
27	44
28	46
29	48
30	49
31	51
32	53
33	54
34	56
35	58
36	59
37	61
38	63
39	64
40	66
41	68
42	69
43	71
44	73
45	74
46	76
47	78
48	79
49	81
50	83
51	84
52	86
53	88
54	89
55	91
56	93
57	94
58	96
59	98
60	99
61	101
62	103
63	104
64	106
65	108
66	109
67	111
68	113
69	114