A127467 Mobius transform of A127466.

1, 1, 2, 2, 0, 6, 2, 2, 0, 8, 4, 0, 0, 0, 20, 2, 4, 6, 0, 0, 12, 6, 0, 0, 0, 0, 0, 42, 4, 4, 0, 8, 0, 0, 0, 32, 6, 0, 12, 0, 0, 0, 0, 0, 54, 4, 8, 0, 0, 20, 0, 0, 0, 0, 40

Offset: 1

Author

Gary W. Adamson, Jan 15 2007

Keywords

• nonn
• tabl

Comments

Left column = phi(n), A000010; right border = n*phi(n), A002618; row sums = A007434, (Mobius transform of the squares).

Examples

			First few rows of the triangle are:
1;
1, 2;
2, 0, 6;
2, 2, 0, 8;
4, 0, 0, 0, 20;
2, 4, 6, 0, 0, 12;
6, 0, 0, 0, 0, 0, 42;
4, 4, 0, 8, 0, 0, 0, 32;
...
		

Crossrefs

Cf. A127466, A002618, A000010, A054525, A007434.

Formula

Mobius transform of A127466; (A054525 * A127466 as infinite lower triangular matrices).