A058261 a(n) = n times the Collatz number of n (as given in A006577).

0, 2, 21, 8, 25, 48, 112, 24, 171, 60, 154, 108, 117, 238, 255, 64, 204, 360, 380, 140, 147, 330, 345, 240, 575, 260, 2997, 504, 522, 540, 3286, 160, 858, 442, 455, 756, 777, 798, 1326, 320, 4469, 336, 1247

Offset: 0

Author

Felix Goldberg (felixg(AT)tx.technion.ac.il), Dec 17 2000

Keywords

• nonn

Examples

			a(4)=8 because the Collatz number of 4 is 2 (4 -> 2 -> 1) and then 8=4*2.
		

Formula

a(n) = n*Collatz(n)