1,1
Table of n, a(n) for n=1..10.
A053170 = 2 * (1 + A053171 + A053172 + this sequence + A053174).
Sequence in context: A185534 A185526 A248458 * A185525 A224433 A213866
Adjacent sequences: A053170 A053171 A053172 * A053174 A053175 A053176
nonn
Ralf W. Grosse-Kunstleve, Mar 26 2000
approved