1,1

Table of n, a(n) for n=1..56.

10 is in the sequence because the number of partitions of 10 is equal to 42 and both 10 and 42 are even numbers. - Omar E. Pol, Mar 18 2012

with(combinat): a:=proc(n) if numbpart(2*n) mod 2 = 0 then 2*n else fi end: seq(a(n), n=1..100); # Emeric Deutsch, Mar 31 2007

Sequence in context: A193266 A108468 A165593 * A122208 A297475 A106358

Adjacent sequences: A127216 A127217 A127218 * A127220 A127221 A127222

nonn

Zak Seidov, Mar 28 2007

More terms a(50)-a(56) from Omar E. Pol, Mar 18 2012

approved