141921

Appears in sequences

• Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,0,1.at n=6A037648
• Number of set partitions of [n] such that for each block b the smallest integer interval containing b has at most five elements and for at least one block c the smallest integer interval containing c has exactly five elements.at n=8A320555
• a(n) is the least integer h such that there exists a Pythagorean triple whose hypotenuse is h and whose other legs z satisfy A176774(z) = n.at n=21A343981