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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
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
Sequence in context: A047289 A345717 A022436 * A167228 A247545 A310655
KEYWORD
nonn,more,base
AUTHOR
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.)