S000308


First prime of 9 primes in a range of 31 numbers.

7, 11, 13, 17, 1277, 88789, 113143, 113147, 855709, 74266249, 182403491, 226449521, 252277007, 408936947, 521481197, 626927443, 910935911, 964669609, 1042090781, 1116452627, 1209950867, 1422475909, 1459270271, 1645175087

1

S000308

There are several different prime patterns in a range of 31 numbers.

T. D. Noe, Plot of 24 terms

(Mma) nn = 10^6; ps = Prime[Range[8 + nn]]; diff = Take[ps, -nn] - Take[ps, nn]; Flatten[Prime[Position[diff, 30, 1, Count[diff, 30]]]]

Cf. A065706 (8 primes in a range of 27), S000309.

nonn

T. D. Noe, Nov 03 2014

© Tony D Noe 2014-2015