Many excellent designs for a new banner were submitted. We will use the best of them in rotation.
0,2
Table of n, a(n) for n=0..3.
a(n+1) = (a(n)+1).(a(n)+2). ... .(a(n)+a(n))
Sequence in context: A230244 A045529 A077747 * A042459 A042353 A193576
Adjacent sequences: A041009 A041010 A041011 * A041013 A041014 A041015
base,easy,nonn
Dann Toliver
approved