A205718 Positions of multiples of 10 in A204890 (differences of primes).

12, 19, 30, 34, 44, 50, 59, 62, 71, 77, 80, 84, 87, 95, 98, 103, 107, 111, 114, 119, 128, 130, 141, 147, 149, 157, 160, 165, 168, 176, 182, 184, 189, 192, 196, 199, 204, 206, 218, 220, 227, 233, 237, 240, 245, 247, 252, 261, 263, 270, 275, 280, 283

Offset

1,1

Comments

For a guide to related sequences, see A205558.

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

In A204890=(1,3,2,5,4,2,9,8,6,4,11,10,8,...), multiples of 10 are in positions 12,19,30,...   See the example at A205720.

Mathematica

(See the program at A205720.)
Position[With[{prs=Prime[Range[30]]}, Flatten[Table[prs[[n]]-Take[prs, n-1], {n, 2, Length[prs]}]]], _?(Divisible[#, 10]&)]//Flatten (* Harvey P. Dale, Jan 15 2022 *)

Crossrefs

Cf. A204890, A205720, A205558.

Sequence in context: A039279 A045067 A043882 * A117539 A246343 A136770

Adjacent sequences: A205715 A205716 A205717 * A205719 A205720 A205721

Keyword

nonn

Author

Clark Kimberling, Jan 31 2012

Status

approved