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A090234 Binomial transform gives a prime. 1

%I #5 Aug 15 2017 01:36:00

%S 2,1,1,3,5,1,3,1,5,11,15,1,1,21,5,11,3,1,43,9,17,13,1,1,9,7,41,23,21,

%T 25,27,9,3,1,9,3,13,11,19,3,1,35,1,23,29,5,11,27,1,39,15,9,47,75,73,

%U 11,61,1,57,3,93,57,117,69,7,93,51,33,97,143,87,65,261,15,23,39,29,55,45,47

%N Binomial transform gives a prime.

%e For n = 3 we have (2,1,1,3).(1,3,3,1) = 2*1 + 1*3 + 1*3 + 3*1 = 11 is a prime.

%p a:=[]: for n from 0 to 100 do m:=add(a[i+1]*binomial(n,i),i=0..n-1): a:=[op(a),nextprime(m)-m] od: op(a); # C. Ronaldo

%Y Cf. A090235.

%K nonn

%O 0,1

%A _Amarnath Murthy_, Nov 26 2003

%E More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 26 2004

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Last modified August 10 05:56 EDT 2024. Contains 375044 sequences. (Running on oeis4.)