A141614 First differences of A008846.

8, 4, 8, 4, 8, 4, 12, 8, 4, 8, 12, 4, 8, 4, 8, 4, 12, 12, 8, 4, 8, 12, 4, 8, 4, 8, 4, 8, 16, 8, 4, 8, 16, 8, 4, 8, 4, 8, 4, 12, 8, 4, 8, 12, 12, 4, 12, 8, 4, 12, 8, 4, 8, 12, 4, 8, 12, 4, 8, 4, 20, 4, 8, 12, 4, 12, 12, 8, 4, 12, 8, 4, 8, 16, 8, 12, 4, 8, 4, 12, 12, 8, 12, 4, 8, 4, 8, 4, 8, 16, 8, 12, 12, 4, 8, 4, 12, 8, 4, 12

Offset

1,1

Comments

Differences between Hypotenuses of primitive Pythagorean triangles.

Links

Table of n, a(n) for n=1..100.

Formula

a(n)=A008846(n+1)-A008846(n).

Crossrefs

Cf. A082073, A082075.

Sequence in context: A083948 A021848 A021545 * A010524 A368250 A195344

Adjacent sequences: A141611 A141612 A141613 * A141615 A141616 A141617

Keyword

nonn,easy

Author

Paul Curtz, Aug 23 2008

Extensions

Offset set to 1 and extended by R. J. Mathar, Sep 07 2009

Status

approved