1,1
Table of n, a(n) for n=1..12.
(Scheme:) (define (A122241 n) (if (= 1 n) 4 (A122237 (A122241 (- n 1)))))
A122242.
Sequence in context: A187930 A022603 A050773 * A341375 A076525 A089761
Adjacent sequences: A122238 A122239 A122240 * A122242 A122243 A122244
nonn
Antti Karttunen, Sep 14 2006
approved