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A045498 Primes formed from concatenation of two consecutive Fibonacci numbers. 1

%I #15 Jan 02 2017 02:01:13

%S 11,23,1321,196418317811,

%T 178890334785183168257455287891792289450641941273985495088042104137,

%U 1854770768947198621219013852139970776030010821454963453907530667147829489881

%N Primes formed from concatenation of two consecutive Fibonacci numbers.

%C The next term -- a(7) -- has 100 digits. - _Harvey P. Dale_, Feb 04 2013

%H Jon E. Schoenfield, <a href="/A045498/b045498.txt">Table of n, a(n) for n = 1..12</a>

%t Select[FromDigits[Flatten[Join[IntegerDigits/@#]]]&/@ Partition[ Fibonacci[ Range[400]],2,1],PrimeQ] (* _Harvey P. Dale_, Feb 04 2013 *)

%Y Subsequence of primes of A092778.

%K nonn,base

%O 1,1

%A _Jeff Burch_

%E Offset corrected by _Arkadiusz Wesolowski_, May 10 2012

%E More terms from _Harvey P. Dale_, Feb 04 2013

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Last modified September 14 06:54 EDT 2024. Contains 375920 sequences. (Running on oeis4.)