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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 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Also, successive digits of A139258. LINKS 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: A243757 A321689 A076568 * A105444 A240233 A033299 Adjacent sequences:  A139256 A139257 A139258 * A139260 A139261 A139262 KEYWORD easy,nonn,tabl,base AUTHOR Omar E. Pol, May 01 2008 STATUS approved

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Last modified October 16 13:32 EDT 2019. Contains 328093 sequences. (Running on oeis4.)