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 A227931 Smallest sets of 5 consecutive primes with equal digital sum. The initial prime is listed. 2
 5521819, 33014273, 36183593, 39874273, 47143739, 82934191, 83640653, 86225437, 89121073, 99551093, 104663773, 108616619, 109514719, 117611519, 131616409, 142348637, 151942291, 168056137, 168066791, 172096037, 196415237, 197604227, 203519819, 204983507 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Shyam Sunder Gupta, Table of n, a(n) for n = 1..445 EXAMPLE 5521819 is in the sequence because 5521819, 5521891, 5521927, 5521963 and 5521981 are consecutive primes and the sum of the digits of each = 31. MATHEMATICA a = {}; m = 1; s = 1; Do[If[(y = Apply[Plus, IntegerDigits[x = Prime[n]]]) == s , m = m + 1; If[m == 6, AppendTo[a, Prime[n - 5]]], m = 1]; s = y, {n, 2, 100000000}]; a CROSSREFS Cf. A066540, A209396, A210629, A071613. Sequence in context: A208455 A207825 A204802 * A254195 A254188 A253800 Adjacent sequences:  A227928 A227929 A227930 * A227932 A227933 A227934 KEYWORD nonn,base AUTHOR Shyam Sunder Gupta, Oct 06 2013 STATUS approved

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Last modified July 30 04:51 EDT 2021. Contains 346348 sequences. (Running on oeis4.)