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 A104938 Primes from merging of 4 successive digits in decimal expansion of the Euler-Mascheroni constant A001620. 2
 3359, 3593, 5939, 9923, 8677, 2677, 6709, 6947, 6329, 2917, 4951, 1447, 4283, 2417, 6449, 5003, 3733, 3767, 7673, 9491, 2039, 5323, 6211, 4793, 7937, 7057, 3547, 6043, 6733, 7331, 3313, 1399, 7541, 5413, 4139, 8423, 4877, 8431, 3109, 1093, 9973, 3613 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Leading zeros are not permitted, so each term is 4 digits in length. LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 Jon Borwein, 170,000 digits of Gamma [Wayback Machine copy] Eric Weisstein's World of Mathematics, Euler-Mascheroni Constant. MAPLE Digits := 420 ; for sh from 3 do p := floor(gamma*10^sh) mod 10000 ; if isprime(p) and p > 999 then printf("%d, ", p); end if; end do: # R. J. Mathar, Oct 31 2011 MATHEMATICA egp[len_]:=Module[{egterms=FromDigits/@Partition[RealDigits[EulerGamma, 10, 1000][[1]], len, 1]}, Select[egterms, IntegerLength[#]==len&&PrimeQ[#]&]]; egp[4] (* Harvey P. Dale, Oct 29 2011 *) PROG (PARI) L=10^4; for(i=3, 999, isprime(p=Euler\.1^i%L)&p*10>L&print1(p", ")) \\ M. F. Hasler, Oct 31 2011 CROSSREFS Cf. A198778. Cf. A103773, A103789, A103793, A103808 - A103812, A104824- A104826, A104843 - A104850, A198161 - A198177, A198776 - A198784. - Harvey P. Dale, Oct 29 2011 Sequence in context: A207580 A207055 A251831 * A179704 A222154 A159000 Adjacent sequences: A104935 A104936 A104937 * A104939 A104940 A104941 KEYWORD nonn,base AUTHOR Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005 EXTENSIONS Offset changed from 0 to 1 by Vincenzo Librandi, Apr 21 2013 STATUS approved

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Last modified June 9 11:22 EDT 2023. Contains 363178 sequences. (Running on oeis4.)