A205711 Positions of multiples of 9 in A204890 (differences of primes).

7, 31, 37, 41, 51, 63, 69, 75, 82, 92, 96, 101, 112, 123, 129, 133, 140, 150, 159, 164, 178, 187, 198, 202, 214, 224, 228, 232, 236, 241, 246, 260, 269, 273, 280, 290, 294, 298, 301, 305, 310, 315, 323, 331, 336, 344, 358, 367, 371, 375, 386, 390

Offset: 1

Author

Clark Kimberling, Jan 31 2012

Keywords

• nonn

Comments

For a guide to related sequences, see A205558.

Examples

			In A204890=(1,3,2,5,4,2,9,8,6,4,11,10,8,...), multiples of 9 are in positions 7,31,37,...  See the example at A205712.
		

Crossrefs

Cf. A204890, A205712, A205558.

Programs

Mathematica

(See the program at A205712.)
With[{prs=Prime[Range[30]]},Flatten[Position[Flatten[Table[prs[[n]]- Take[ prs,n-1],{n,2,Length[prs]}]],?(Divisible[#,9]&)]]] (* _Harvey P. Dale, Dec 01 2013 *)