A138335 - cp's OEIS frontend

A138335 Positions of digits after decimal point in decimal expansion of Pi where the approximation to Pi by a root of a quadratic polynomial does not improve the accuracy.

n	a(n)
1	19
2	28
3	29
4	34
5	36
6	37
7	39
8	43
9	50
10	52
11	62
12	68
13	71
14	74
15	75
16	87
17	89
18	94
19	110
20	113
21	128
22	129
23	130
24	132
25	137
26	143
27	153
28	169
29	174
30	189
31	201
32	203
33	207
34	209
35	211
36	217
37	240
38	241
39	242
40	252
41	253
42	268
43	274
44	275
45	278
46	279
47	284
48	286
49	287
50	297

[19, 28, 29, 34, 36, 37, 39, 43, 50, 52, 62, 68, 71, 74, 75, 87, 89, 94, 110, 113, 128, 129, 130, 132, 137, 143, 153, 169, 174, 189, 201, 203, 207, 209, 211, 217, 240, 241, 242, 252, 253, 268, 274, 275, 278, 279, 284, 286, 287, 297]

cp's OEIS Frontend

A138335 Positions of digits after decimal point in decimal expansion of Pi where the approximation to Pi by a root of a quadratic polynomial does not improve the accuracy.

Table of values

List of values

n	a(n)
1	19
2	28
3	29
4	34
5	36
6	37
7	39
8	43
9	50
10	52
11	62
12	68
13	71
14	74
15	75
16	87
17	89
18	94
19	110
20	113
21	128
22	129
23	130
24	132
25	137
26	143
27	153
28	169
29	174
30	189
31	201
32	203
33	207
34	209
35	211
36	217
37	240
38	241
39	242
40	252
41	253
42	268
43	274
44	275
45	278
46	279
47	284
48	286
49	287
50	297

n	a(n)
1	19
2	28
3	29
4	34
5	36
6	37
7	39
8	43
9	50
10	52
11	62
12	68
13	71
14	74
15	75
16	87
17	89
18	94
19	110
20	113
21	128
22	129
23	130
24	132
25	137
26	143
27	153
28	169
29	174
30	189
31	201
32	203
33	207
34	209
35	211
36	217
37	240
38	241
39	242
40	252
41	253
42	268
43	274
44	275
45	278
46	279
47	284
48	286
49	287
50	297

n	a(n)
1	19
2	28
3	29
4	34
5	36
6	37
7	39
8	43
9	50
10	52
11	62
12	68
13	71
14	74
15	75
16	87
17	89
18	94
19	110
20	113
21	128
22	129
23	130
24	132
25	137
26	143
27	153
28	169
29	174
30	189
31	201
32	203
33	207
34	209
35	211
36	217
37	240
38	241
39	242
40	252
41	253
42	268
43	274
44	275
45	278
46	279
47	284
48	286
49	287
50	297