Search: id:A037034 Results 1-1 of 1 results found. %I A037034 %S A037034 1,1,1,2,1,1,3,1,2,2,1,1,2,3,1,2,1,1,2,1,1,3,4,2,2,1,1,2,3,2,5,1,1,2,1, %T A037034 3,3,1,2,3,1,1,5,7,1,2,3,1,3,1,5,5,1,2,2,1,1,2,13,1,2,3,1,5,4,1,6,1,3, %U A037034 3,1,3,5,3,2,2,1,1,2,4,2,3,1,7,3,3,1,5,4,1,2,1,2,2,1,1,3,4,3,5,6,3,2,4 %N A037034 Least k such that 4*n*k-1 is a prime. %e A037034 a(5)=1 because 4*5*1-1=19 is a prime %Y A037034 Cf. A016014. %Y A037034 Sequence in context: A128221 A115758 A124734 this_sequence A139462 A131376 A025840 %Y A037034 Adjacent sequences: A037031 A037032 A037033 this_sequence A037035 A037036 A037037 %K A037034 nonn %O A037034 1,4 %A A037034 Felice Russo (felice.russo(AT)katamail.com) %E A037034 More terms from Erich Friedman (erich.friedman(AT)stetson.edu) Search completed in 0.001 seconds