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 A274335 Prime numbers with digits abc...z such that (a+b+c+...+z) + (a^b+b^c+c^d+...+y^z) is also a prime number. 0
 2, 3, 5, 7, 11, 13, 19, 23, 29, 31, 43, 61, 67, 73, 83, 101, 103, 109, 113, 127, 139, 151, 157, 163, 181, 193, 211, 223, 233, 307, 313, 331, 353, 367, 373, 389, 419, 433, 439, 443, 523, 577, 613, 619, 631, 643, 659, 691, 709, 727, 733, 757, 773, 811, 853, 907 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..56. José Camacho Medina, Números Primos especiales (in Spanish). EXAMPLE 2 is a term because 2 = 2; 23 is a term because (2+3)+(2^3) = 5+8 = 13; 109 is a term because (1+0+9)+(1^0+0^9) = 10+1 = 11. CROSSREFS Cf. A000040, A046704. Sequence in context: A176162 A152900 A079151 * A049643 A005728 A050437 Adjacent sequences: A274332 A274333 A274334 * A274336 A274337 A274338 KEYWORD nonn,base AUTHOR José de Jesús Camacho Medina, Jun 22 2016 STATUS approved

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Last modified September 18 01:35 EDT 2024. Contains 375995 sequences. (Running on oeis4.)