OFFSET
1,11
COMMENTS
Also number of self-conjugate partitions of n into an even number of parts. - Vladeta Jovovic, Feb 18 2004
FORMULA
a(n) = Sum_{k=0..floor(n/4)-1} A027356(n, 4*k+3). - Sean A. Irvine, Oct 28 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved