A080465 Absolute difference between the two numbers formed by alternate digits of n.

1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 3, 2, 1, 0, 1, 2, 3, 4, 5, 6, 4, 3, 2, 1, 0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0, 1, 2, 3, 4, 6, 5, 4, 3, 2, 1, 0, 1, 2, 3, 7, 6, 5, 4, 3, 2, 1, 0, 1, 2, 8, 7, 6, 5, 4, 3, 2, 1, 0, 1, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 9

Offset: 10

Author

Amarnath Murthy, Mar 02 2003

Keywords

• base
• easy
• nonn
• look

Comments

Differs from A040115 first at a(110) = 9. - R. J. Mathar, Sep 19 2008

Examples

			a(132546) = |124 - 356| = 232.
		

Links

• T. D. Noe, Table of n, a(n) for n=10..10000

Crossrefs

Cf. A080463, A080464, A267086.

See also A040997.

Programs

PARI

A080465(n)=abs(vector(#n=digits(n),j,(-1)^j*10^((#n-j)\2))*n~) \\ M. F. Hasler, Jan 10 2016

Extensions

More terms from Ray Chandler, Oct 11 2003