S001076


For each odd prime p, the p common differences of the arithmetic progressions mentioned in S001075.

0, 2, 2, 0, 2, 6, 6, 6, 0, 4, 6, 12, 30, 30, 150, 0, 2, 6, 6, 30, 60, 123480, 1210230, 32671170, 224494620, 1536160080, 0, 4, 24, 30, 90, 90, 244230, 2190090, 111739740, 111739740, 19458564510

1

S001076

As can be seen in the plot, the common differences grow rapidly.

T. D. Noe, Plot of 37 terms

Wikipedia, Primes in arithmetic progression

(Mma) nn = 4; t = {}; Do[p = Prime[n]; s = {p}; k = 0; While[Length[s] < p, k = k + 2; p2 = p; prod = p; cnt = 1; While[p2 = p2 + k; PrimeQ[p2], cnt++; prod = prod*p2; If[cnt > Length[s], AppendTo[s, k]]]]; s[[1]] = 0; AppendTo[t, s], {n, 2, nn}]; t

Cf. S001075.

nonn,tabf,hard

T. D. Noe, Nov 01 2017

© Tony D Noe 2014-2017