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 A082922 Numbers n such that when the digits of Fibonacci(n) are sorted into decreasing order and zeros are dropped it is a prime. 0
 3, 4, 5, 7, 9, 14, 15, 27, 29, 31, 42, 59, 70, 71, 78, 103, 135, 141, 202, 203, 231, 305, 395, 431, 458, 481, 522, 617, 874, 978, 1161, 1535, 2293, 2445, 2597, 2727, 3146, 3701, 3705, 4746, 5415, 5821, 5969, 6193, 6305, 6557, 7449, 7897, 8423, 10479 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Larger values not certified prime. LINKS Table of n, a(n) for n=1..50. EXAMPLE a(8) = 27 because Fibonacci(27) = 196418 and 986411 is prime. MATHEMATICA Do[ k = Sort[ IntegerDigits[ Fibonacci[n]]]; While[ k[[1]] == 0, k = Drop[k, 1]]; If[ PrimeQ[ FromDigits[ Reverse[ k]]], Print[n]], {n, 1, 10540}] CROSSREFS Sequence in context: A164572 A067530 A259796 * A036971 A000702 A067526 Adjacent sequences: A082919 A082920 A082921 * A082923 A082924 A082925 KEYWORD base,nonn AUTHOR Jason Earls, May 25 2003 EXTENSIONS Edited and extended by Robert G. Wilson v, May 26 2003 STATUS approved

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Last modified August 9 05:47 EDT 2024. Contains 375027 sequences. (Running on oeis4.)