105216

Appears in sequences

• The number of bijections f:{1,...,n}->Z/nZ such that f(ab)=f(a)+f(b) whenever all three function values are defined.at n=29A179989
• Number of parts in all partitions of n in which no part occurs more than ten times.at n=33A320613
• a(n) = A341886(n)/2; numbers k such that A307437(k) is even.at n=20A341887
• Number of ways to tile a 3 X n board with 2 X 2 and 3 X 3 staircase tiles.at n=17A374512