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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.
3
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, 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, 7, 2, 1, 5, 5, 1, 2, 7, 7, 5
OFFSET
1,1
COMMENTS
Also, successive digits of A139258.
EXAMPLE
Triangle begins:
....... 5
...... 5,5
..... 5,7,5
.... 5,7,7,5
... 5,7,7,7,5
CROSSREFS
Decimal expansion of gamma: A001620. Cf. A138068, A138070, A138072, A139258, A139260, A139261.
Sequence in context: A369340 A368870 A076568 * A105444 A240233 A033299
KEYWORD
easy,nonn,tabl,base
AUTHOR
Omar E. Pol, May 01 2008
STATUS
approved