S000309


First prime of 7 primes in a range of 21 numbers.

11, 5639, 88799, 165701, 284729, 626609, 855719, 1068701, 1146779, 6560999, 7540439, 8573429, 11900501, 15760091, 17843459, 18504371, 19089599, 21036131, 24001709, 25658441, 39431921, 42981929, 43534019, 45002591, 67816361, 69156539, 74266259, 79208399

1

S000309

There are several different prime patterns in a range of 21 numbers.

T. D. Noe, Plot of 167 terms

T. D. Noe, Table of 167 terms

(Mma) nn = 10^6; ps = Prime[Range[6 + nn]]; diff = Take[ps, -nn] - Take[ps, nn]; Flatten[Prime[Position[diff, 20, 1, Count[diff, 20]]]]

Cf. A065706 (8 primes in a range of 27), S000308.

nonn

T. D. Noe, Nov 03 2014

© Tony D Noe 2014-2015