A158012 A000796(n)*A000796(n+1) mod 9.

3, 4, 4, 5, 0, 0, 3, 3, 6, 6, 4, 0, 0, 0, 0, 6, 6, 6, 5, 6, 3, 3, 6, 3, 0, 6, 6, 6, 5, 0, 0, 0, 0, 7, 1, 5, 4, 0, 0, 7, 6, 0, 0, 0, 0, 0, 3, 8, 5, 0, 0, 4, 7, 0, 0, 0, 1, 0, 0, 7, 2, 0, 0, 6, 0, 0, 2, 8, 6, 6, 0, 0, 3, 7, 3, 3, 0, 0, 0, 0, 0, 3, 3, 7, 0, 0, 3, 5, 7, 1, 6, 3, 8, 2, 1, 7, 0, 0, 6, 0, 0, 7, 2, 4, 5, 0

Offset

1,1

Comments

The product sequence of adjacent digits of pi is 3,4,4,5,45,18,12,30,15,15,40,72,63,63,27,6,6,24,32...

Links

Table of n, a(n) for n=1..106.

Crossrefs

Sequence in context: A345196 A185271 A352285 * A032446 A271563 A342938

Adjacent sequences: A158009 A158010 A158011 * A158013 A158014 A158015

Keyword

nonn,base

Author

Paul Curtz, Mar 11 2009

Extensions

Extended by R. J. Mathar, May 21 2009

Status

approved