A139261 - OEIS

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

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OFFSET

1,1

COMMENTS

Also, successive digits of A139260.

LINKS

Table of n, a(n) for n=1..78.

EXAMPLE

Triangle begins:

....... 5

...... 5,7

..... 5,7,7

.... 5,7,7,2

... 5,7,7,2,1

MATHEMATICA

a[n_]:=FromDigits[RealDigits[EulerGamma, 10, n][[1]]]; IntegerDigits/@Array[a, 12]//Flatten (* James C. McMahon, Jun 29 2025 *)

CROSSREFS

Decimal expansion of gamma: A001620.

Cf. A138114, A138115, A138116, A139258, A139259, A139260.

Sequence in context: A088201 A352353 A195380 * A352442 A247649 A252655

Adjacent sequences: A139258 A139259 A139260 * A139262 A139263 A139264

KEYWORD

easy,nonn,tabl,base

AUTHOR

Omar E. Pol, May 01 2008

STATUS

approved