A293339 - OEIS

A293339

Greatest integer k such that k/2^n < 1/e.

0, 0, 1, 2, 5, 11, 23, 47, 94, 188, 376, 753, 1506, 3013, 6027, 12054, 24109, 48218, 96437, 192874, 385749, 771499, 1542998, 3085996, 6171992, 12343985, 24687971, 49375942, 98751885, 197503771, 395007542, 790015084, 1580030168, 3160060337, 6320120674

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OFFSET

0,4

LINKS

Clark Kimberling, Table of n, a(n) for n = 0..1000

FORMULA

a(n) = floor(r*2^n), where r = 1/e.

a(n) = A293340(n) - 1.

MATHEMATICA

z = 120; r = 1/E;

Table[Floor[r*2^n], {n, 0, z}]; (* A293339 *)

Table[Ceiling[r*2^n], {n, 0, z}]; (* A293340 *)