A156307 Primes where the first digit equals the sum of all the other digits.

11, 101, 211, 431, 523, 541, 743, 761, 853, 2011, 4013, 4211, 5023, 5113, 7043, 7151, 7331, 8017, 8053, 8161, 8233, 8431, 8521, 20011, 20101, 21001, 40013, 40031, 41201, 42101, 50023, 50131, 50221, 50311, 51031, 52021, 52201, 53101, 54001, 70061, 70223, 70241, 70313, 71411, 72221, 73013, 73121, 74021, 74201, 75011, 76001, 80071, 80107, 80233, 80251, 80341, 80611, 80701

Offset

1,1

Comments

There is no term that begins with 3, 6 or 9. - Bernard Schott, Feb 16 2020

Links

Daniel Starodubtsev, Table of n, a(n) for n = 1..1000

Example

4211 is a prime where the first digit equals the sum of all the other digits.

Mathematica

ferQ[n_]:=Module[{idn=IntegerDigits[n]}, First[idn]==Total[Rest[idn]]]; Select[Prime[Range[8000]], ferQ] (* Harvey P. Dale, Jun 22 2011 *)

Crossrefs

Cf. A000040.

Sequence in context: A180406 A174884 A121402 * A057532 A193699 A001603

Adjacent sequences: A156304 A156305 A156306 * A156308 A156309 A156310

Keyword

nonn,base

Author

Parthasarathy Nambi, Feb 07 2009

Extensions

Corrected and extended by Zak Seidov, Feb 08 2009

Status

approved