A355622 - cp's OEIS frontend

A355622 a(n) is the n-digit positive number with no trailing zeros and coprime to its digital reversal R(a(n)) at which abs(a(n)/R(a(n))-Pi) is minimized.

n	a(n)
1	1
2	92
3	581
4	5471
5	52861
6	998713
7	7774742
8	93630892
9	422334431
10	9190135292
11	45425395441
12	472539314051
13	5784475521481
14	49371008251751
15	939253175379892
16	9265811239939492
17	52949745472445861
18	952186420153090303
19	9836241210282790313
20	36386277546811128511
21	442327789252803797041

[1, 92, 581, 5471, 52861, 998713, 7774742, 93630892, 422334431, 9190135292, 45425395441, 472539314051, 5784475521481, 49371008251751, 939253175379892, 9265811239939492, 52949745472445861, 952186420153090303, 9836241210282790313, 36386277546811128511, 442327789252803797041]

cp's OEIS Frontend

A355622 a(n) is the n-digit positive number with no trailing zeros and coprime to its digital reversal R(a(n)) at which abs(a(n)/R(a(n))-Pi) is minimized.

Table of values

List of values