# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a090234 Showing 1-1 of 1 %I A090234 #5 Aug 15 2017 01:36:00 %S A090234 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 A090234 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 A090234 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 A090234 Binomial transform gives a prime. %e A090234 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 A090234 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 A090234 Cf. A090235. %K A090234 nonn %O A090234 0,1 %A A090234 _Amarnath Murthy_, Nov 26 2003 %E A090234 More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Dec 26 2004 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE