The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A181182 Primes in A181178. 2
 11, 31, 41, 61, 71, 137, 193, 257, 467, 1399, 2887, 35999, 599699, 4987999, 589998989, 2899889999, 58989999989, 58799999999999, 579999998999999, 19999999999997999, 199999999999898999, 499999999999899989, 699999999999979999, 799999999999988999, 4999999999998899999, 7999999999998999899, 79999999999988999999 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Max Alekseyev, Table of n, a(n) for n = 1..50 FORMULA Intersection of A000040 and A181178. EXAMPLE a(2) = 31 because 31 is prime, and is the 4th (zero-free positive) number with digital sum 4 {4,13,22,31,112,121,211,1111}. CROSSREFS Cf. A000040, A007953, A069800, A181178 Sequence in context: A181603 A040983 A040979 * A089347 A287312 A240896 Adjacent sequences: A181179 A181180 A181181 * A181183 A181184 A181185 KEYWORD nonn,base AUTHOR Jonathan Vos Post, Jan 25 2011 EXTENSIONS a(13) and a(14) from Zak Seidov, Jan 26 2011 Terms a(15) onward from Max Alekseyev, Aug 19 2013 STATUS approved

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

Last modified March 1 18:30 EST 2024. Contains 370443 sequences. (Running on oeis4.)