A039920 Concatenation of the first n decimal digits of e-2.

7, 71, 718, 7182, 71828, 718281, 7182818, 71828182, 718281828, 7182818284, 71828182845, 718281828459, 7182818284590, 71828182845904, 718281828459045, 7182818284590452, 71828182845904523, 718281828459045235, 7182818284590452353, 71828182845904523536

Offset

1,1

Links

Table of n, a(n) for n=1..20.

Mathematica

Module[{nn=20, c}, c=Rest[RealDigits[E, 10, nn][[1]]]; Table[FromDigits[ Take[ c, n]], {n, nn-1}]] (* Harvey P. Dale, Jun 08 2015 *)

Crossrefs

Cf. A001113, A039916.

Sequence in context: A319963 A198966 A069591 * A100895 A065537 A048552

Adjacent sequences: A039917 A039918 A039919 * A039921 A039922 A039923

Keyword

base,nonn

Author

Felice Russo

Extensions

More terms from Sean A. Irvine, Feb 28 2021

Status

approved