A139261 Triangle read by rows: row n lists the first n digits of the decimal expansion of Euler's constant (or Euler-Mascheroni constant) gamma.
5, 5, 7, 5, 7, 7, 5, 7, 7, 2, 5, 7, 7, 2, 1, 5, 7, 7, 2, 1, 5, 5, 7, 7, 2, 1, 5, 6, 5, 7, 7, 2, 1, 5, 6, 6, 5, 7, 7, 2, 1, 5, 6, 6, 4, 5, 7, 7, 2, 1, 5, 6, 6, 4, 9, 5, 7, 7, 2, 1, 5, 6, 6, 4, 9, 0, 5, 7, 7, 2, 1, 5, 6, 6, 4, 9, 0, 1
Offset: 1
Examples
Triangle begins: ....... 5 ...... 5,7 ..... 5,7,7 .... 5,7,7,2 ... 5,7,7,2,1
Crossrefs
Programs
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Mathematica
a[n_]:=FromDigits[RealDigits[EulerGamma,10,n][[1]]];IntegerDigits/@Array[a,12]//Flatten (* James C. McMahon, Jun 29 2025 *)
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