A254226 Numbers n such that the n-th decimal digit of e = 1 + the n-th decimal digit of Pi.
25, 28, 31, 35, 40, 61, 73, 107, 114, 130, 135, 138, 148, 151, 152, 170, 188, 192, 195, 202, 209, 218, 222, 231, 234, 238, 263, 265, 290, 297, 315, 378, 423, 432, 436, 444, 448, 457, 470, 481, 485, 489, 490, 526, 537, 546
Offset: 1
Examples
31 is in the sequence since the 31st decimal digit of e is 6 and the 31st decimal digit of Pi is 5.
Links
- Carmine Suriano, Table of n, a(n) for n = 1..252
Programs
-
Mathematica
nn = 550; rdpi = RealDigits[Pi, 10, nn][[1]]; rde = RealDigits[E, 10, nn][[1]]; Select[ Range[2, nn], 1 + rdpi[[#]] == rde[[#]] &] - 1 (* Robert G. Wilson v, Feb 08 2015 *)