A185368 First n-digit square in the digits of Euler's constant (or the Euler-Mascheroni constant) gamma.

1, 64, 900, 900, 1296, 16641, 1507984, 1507984, 285272100, 168143089, 14815028089

Offset

1,2

Comments

Squares are allowed to have prefix 0 (see example).

Links

Table of n, a(n) for n=1..11.

Example

a(4) = 900 is the first square that occurs in the sequence of the 4 decimal digits ...0900... with the index 25 in A001620.

Maple

Digits := 10000: p0 := evalf(gamma):for d from 1 to 20 do: id:=0:for i from
  0 to 50000 while(id=0) do :q0:=trunc(p0*10^(i+d-1)): x:= irem(q0, 10^d): if sqrt(x)=floor(sqrt(x))  then printf(`%d, `, x):id:=1: else fi:od:od:

Crossrefs

Cf. A001620.

Sequence in context: A297686 A292028 A306613 * A027003 A265620 A358861

Adjacent sequences: A185365 A185366 A185367 * A185369 A185370 A185371

Keyword

nonn,base

Author

Michel Lagneau, Feb 20 2011

Status

approved