The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A154768 Numbers n where the largest and smallest decimal digit of prime(n) are both even. 1
 1, 56, 61, 79, 93, 110, 143, 144, 172, 178, 179, 181, 197, 252, 279, 305, 311, 313, 314, 315, 334, 340, 354, 360, 382, 386, 389, 390, 408, 409, 411, 412, 413, 415, 418, 436, 438, 441, 507, 529, 531, 551, 552, 554, 556, 575, 582, 588, 602, 623, 643, 647, 653 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Natural density 0. LINKS Harvey P. Dale, Table of n, a(n) for n = 1..3000 MATHEMATICA lseQ[n_]:=Module[{idp=IntegerDigits[Prime[n]]}, AllTrue[{Max[ idp], Min[ idp]}, EvenQ]]; Select[Range[1000], lseQ] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Oct 18 2018 *) CROSSREFS Sequence in context: A047727 A069810 A292896 * A165159 A336265 A039428 Adjacent sequences:  A154765 A154766 A154767 * A154769 A154770 A154771 KEYWORD nonn,base,less AUTHOR Juri-Stepan Gerasimov, Jan 15 2009, May 13 2010 EXTENSIONS Corrected by Harvey P. Dale, Oct 18 2018 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 22 22:13 EDT 2021. Contains 347608 sequences. (Running on oeis4.)