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A205718 Positions of multiples of 10 in A204890 (differences of primes). 2
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
For a guide to related sequences, see A205558.
LINKS
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
Sequence in context: A039279 A045067 A043882 * A117539 A246343 A136770
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jan 31 2012
STATUS
approved

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Last modified March 28 03:28 EDT 2024. Contains 371235 sequences. (Running on oeis4.)