A139259 - OEIS

A139259

Triangle read by rows: row n lists the digits of A139258(n), the palindromic number formed from the reflected decimal expansion of Euler's constant (or Euler-Mascheroni constant) gamma.

%I #2 Mar 30 2012 17:33:54

%S 5,5,5,5,7,5,5,7,7,5,5,7,7,7,5,5,7,7,7,7,5,5,7,7,2,7,7,5,5,7,7,2,2,7,

%T 7,5,5,7,7,2,1,2,7,7,5,5,7,7,2,1,1,2,7,7,5,5,7,7,2,1,5,1,2,7,7,5,5,7,

%U 7,2,1,5,5,1,2,7,7,5

%N Triangle read by rows: row n lists the digits of A139258(n), the palindromic number formed from the reflected decimal expansion of Euler's constant (or Euler-Mascheroni constant) gamma.

%C Also, successive digits of A139258.

%e Triangle begins:

%e ....... 5

%e ...... 5,5

%e ..... 5,7,5

%e .... 5,7,7,5

%e ... 5,7,7,7,5

%Y Decimal expansion of gamma: A001620. Cf. A138068, A138070, A138072, A139258, A139260, A139261.

%K easy,nonn,tabl,base

%O 1,1

%A _Omar E. Pol_, May 01 2008