1,1

"Le Scienze," November 2012, number 531,pp. 91-92, "Oltre il Limite Quantistico."

Table of n, a(n) for n=1..27.

a(1) = 2 because A218075(2)/A218075(1) is 4/2;

a(2) = 1 because A218075(3)/A218075(2) is 4/4;

a(3) = 4 because A218075(4)/A218075(3) is 16/4;

a(4) = 4 because A218075(4)/A218075(5) is 16/4.

Cf. A000079, A218075.

Sequence in context: A296337 A308432 A136692 * A234306 A223012 A101452

Adjacent sequences: A219191 A219192 A219193 * A219195 A219196 A219197

nonn,easy

Giovanni Teofilatto, Nov 14 2012

approved