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 A102139 Iccanobirt prime indices (9 of 15): Indices of prime numbers in A102119. 1
 4, 6, 7, 11, 15, 19, 233, 549, 1608, 4143, 4633, 9642 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS No more terms through 5000. a(13) > 50000. - Robert Price, Nov 09 2018 LINKS Table of n, a(n) for n=1..12. FORMULA A102119(a(n)) = A102159(n). MATHEMATICA a[n_] := a[n] = IntegerReverse[(a[n - 1] + a[n - 2] + IntegerReverse[a[n - 3]])]; a[0] = 0; a[1] = 0; a[2] = 1; Select[Range[0, 5000], PrimeQ[a[#]] &] (* Robert Price, Apr 10 2020 *) CROSSREFS Cf. A000040, A102119, A102131-A102145. Sequence in context: A047289 A345717 A022436 * A167228 A247545 A310655 Adjacent sequences: A102136 A102137 A102138 * A102140 A102141 A102142 KEYWORD nonn,more,base AUTHOR Jonathan Vos Post and Ray Chandler, Dec 31 2004 EXTENSIONS a(12) from Robert Price, Nov 09 2018 STATUS approved

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Last modified June 25 11:41 EDT 2024. Contains 373701 sequences. (Running on oeis4.)