A174820 Triangle T(n,k) read by rows. T(n,k) = A174557(n,k)-A174557(n-1,k).

1, -3, 1, -1, -2, 1, -1, -1, -2, 1, -1, 0, 0, -2, 1, -1, -1, -1, 0, -2, 1, -1, 0, 0, 0, 0, -2, 1, -1, -1, 0, -1, 0, 0, -2, 1, -1, 0, -1, 0, 0, 0, 0, -2, 1, -1, -1, 0, 0, -1, 0, 0, 0, -2, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, -2, 1, -1, -1, -1, -1, 0, -1, 0, 0, 0, 0, -2, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0

Offset

1,2

Links

Table of n, a(n) for n=1..88.

Example

Table begins:
.1
-3..1
-1.-2..1
-1.-1.-2..1
-1..0..0.-2..1
-1.-1.-1..0.-2..1
-1..0..0..0..0.-2..1
-1.-1..0.-1..0..0.-2..1
-1..0.-1..0..0..0..0.-2..1
-1.-1..0..0.-1..0..0..0.-2..1

Crossrefs

Sequence in context: A331311 A285770 A370892 * A099501 A089762 A257567

Adjacent sequences: A174817 A174818 A174819 * A174821 A174822 A174823

Keyword

sign,tabl

Author

Mats Granvik, Paul D. Hanna, Mar 30 2010

Status

approved