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 A006055 Primes with consecutive (ascending) digits. (Formerly M0679) 21
 2, 3, 5, 7, 23, 67, 89, 4567, 78901, 678901, 23456789, 45678901, 9012345678901, 789012345678901, 56789012345678901234567890123, 90123456789012345678901234567, 678901234567890123456789012345678901 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 REFERENCES J. S. Madachy, Consecutive-digit primes - again, J. Rec. Math., 5 (No. 4, 1972), 253-254. Thomas E. Moore, A Note on the Distribution of Primes in Arithmetic Progressions, J. Rec. Math., 5 (1972), 253-254. R. C. Schroeppel, personal communication, 1991. N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). D. Zwillinger, Consecutive-Digit Primes - In Different Bases, J. Rec. Math., 10 (1972), 32-33. LINKS Jon E. Schoenfield, Table of n, a(n) for n = 1..41 (all terms < 2.345678901...*10^2121; first 36 terms from Paul Tek) J. S. Madachy, Consecutive-digit primes - again, J. Rec. Math., 5 (No. 4, 1972), 253-254. (Annotated scanned copy with letter to N. J. A. Sloane) R. Schroeppel, Email to N. J. A. Sloane, Jun 1991 R. Schroeppel, Email to N. J. A. Sloane, Jun. 1991 Eric Weisstein's World of Mathematics, Prime Number. MATHEMATICA f[n_] := Block[{u = Range@n, t = Table[1, {n}]}, Select[ Drop[ Union@ Flatten@ Table[ FromDigits[ Mod[u + i*t, 10]], {i, 10}], 2], PrimeQ@# &]]; Array[f, 35] // Flatten (* Robert G. Wilson v, Jul 05 2006 *) CROSSREFS Cf. A052016, A052017, A048398, A120804, A120805. Sequence in context: A056041 A083017 A006510 * A052017 A277575 A289754 Adjacent sequences:  A006052 A006053 A006054 * A006056 A006057 A006058 KEYWORD nonn,base AUTHOR N. J. A. Sloane, Richard C. Schroeppel EXTENSIONS a(17) from Robert G. Wilson v, Jul 05 2006 Entry revised by N. J. A. Sloane, Feb 07 2007 STATUS approved

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Last modified September 18 05:32 EDT 2019. Contains 327165 sequences. (Running on oeis4.)