248880

Appears in sequences

• a(n) = Sum_{d|5} phi(d)*n^(5/d).at n=12A054604
• Third convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.at n=8A073390
• Let b(0)=0; b(1)=1; b(n+2)=(e^g-1/e^g)*b(n+1)+b(n). a(n)=floor(b(n)).at n=23A090427
• Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 8 king-move adjacent elements, with upper left element zero.at n=13A316299