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 A290161 Initial primes of 7 consecutive primes with 6 consecutive gaps 12, 10, 8, 6, 4, 2. 4
 752251, 1107751, 4956781, 5647471, 6929401, 10016521, 11516851, 12285631, 18117991, 19280311, 21327961, 21705517, 23946877, 24059011, 24436891, 25976611, 26970751, 29105731, 32254471, 32339521, 32465077, 32542387 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS All terms = {1,7} mod 30. For initial primes of 7 consecutive primes with consecutive gaps 2, 4, 6, 8, 10, 12 see A190819. LINKS Chai Wah Wu, Table of n, a(n) for n = 1..2000 EXAMPLE Prime(86279..86285) = {1107751, 1107763, 1107773, 1107781, 1107787, 1107791, 1107793 } and 1107751 + 12 = 1107763, 110763 + 10 = 1107773, 1107773 + 8 = 1107781, 1107781 + 6 = 1107787, 1107787 + 4 = 1107791, 1107791 + 2 = 1107793. PROG P:=Filtered([1..100000000], IsPrime);; I:=Reversed([2, 4, 6, 8, 10, 12]);; P1:=List([1..Length(P)-1], i->P[i+1]-P[i]);; P2:=List([1..Length(P)-Length(I)], i->[P1[i], P1[i+1], P1[i+2], P1[i+3], P1[i+4], P1[i+5]]);; P3:=List(Positions(P2, I), i->P[i]); CROSSREFS Cf. A078847, A190814, A190817, A190819, A190838, A286891, A290162. Sequence in context: A166001 A253374 A204229 * A244308 A273971 A259305 Adjacent sequences: A290158 A290159 A290160 * A290162 A290163 A290164 KEYWORD nonn AUTHOR Muniru A Asiru, Jul 22 2017 STATUS approved

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Last modified February 25 16:50 EST 2024. Contains 370332 sequences. (Running on oeis4.)