A154220 a(n) is the integer remainder of A001163(n) divided by 10.

1, 1, 1, -9, -1, 9, 9, -1, -9, 1, 9, -9, -9, 1, 1, -1, -1, 3, 3, -7, -3, 3, 3, -1, -1, 3, 3, -3, -7, 9, 1, -9, -1, 3, 9, -9, -9, 7, 1, -3, -3, 3, 7, -3, -3, 1, 7, -9, -9, 1, 7, -3, -7, 9, 1, -9, -1, 9, 1, -9, -9, 1, 1, -1, -9, 7, 1, -9, -7, 1, 1, -1, -1, 3, 9

Offset

0,4

Links

Table of n, a(n) for n=0..74.

Maple

seq(irem(A001163(n), 10), n=0..74); # Peter Luschny, Jul 28 2020

Crossrefs

Cf. A001163.

Sequence in context: A187368 A193670 A309614 * A133919 A145078 A093644

Adjacent sequences: A154217 A154218 A154219 * A154221 A154222 A154223

Keyword

sign,easy,less

Author

Paul Curtz, Jan 05 2009

Extensions

Edited by N. J. A. Sloane, Jan 06 2009

More terms from Arkadiusz Wesolowski, Jan 18 2012

Status

approved