A134540 - OEIS

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A134540

A054525 * A000012.

1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, -1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, -1, 0, 0, 0, 1, 1, 1, 1, 1

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Row sums = phi(n), A000010: (1, 1, 2, 2, 4, 2, 6, 4, 6, 4, ...).

LINKS

Table of n, a(n) for n=1..55.

FORMULA

A054525 * A000012 as infinite lower triangular matrices.

Triangle read by rows, partial sums of A054525 (the Mobius transform) terms starting from the right.

EXAMPLE

First few rows of the triangle: