A355623 - cp's OEIS frontend

A355623 a(n) is the n-digit positive number with no trailing zeros and coprime to its digital reversal R(a(n)) at which abs(R(a(n))/a(n)-Pi) is minimized.

n	a(n)
1	1
2	29
3	185
4	1745
5	16825
6	317899
7	2474777
8	29803639
9	134433224
10	2925310919
11	14459352454
12	150413935274
13	1841255744875
14	15715280017394
15	298973571352939
16	2949399321185629
17	16854427454794925
18	303090351024681259
19	3130972820121426389
20	11582111864577268363
21	140797308252987723244

[1, 29, 185, 1745, 16825, 317899, 2474777, 29803639, 134433224, 2925310919, 14459352454, 150413935274, 1841255744875, 15715280017394, 298973571352939, 2949399321185629, 16854427454794925, 303090351024681259, 3130972820121426389, 11582111864577268363, 140797308252987723244]

cp's OEIS Frontend

A355623 a(n) is the n-digit positive number with no trailing zeros and coprime to its digital reversal R(a(n)) at which abs(R(a(n))/a(n)-Pi) is minimized.

Table of values

List of values