A095834 - OEIS

A095834

Triangle read by rows: T(n,k) = (n-k)*n, n>=1, 1<=k<=n.

0, 2, 0, 6, 3, 0, 12, 8, 4, 0, 20, 15, 10, 5, 0, 30, 24, 18, 12, 6, 0, 42, 35, 28, 21, 14, 7, 0, 56, 48, 40, 32, 24, 16, 8, 0, 72, 63, 54, 45, 36, 27, 18, 9, 0, 90, 80, 70, 60, 50, 40, 30, 20, 10, 0, 110, 99, 88, 77, 66, 55, 44, 33, 22, 11, 0, 132, 120, 108, 96, 84, 72, 60, 48, 36, 24

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..76.

EXAMPLE

2 0

6 3 0

12 8 4 0

20 15 10 5 0

30 24 18 12 6 0

42 35 28 21 14 7 0

56 48 40 32 24 16 8 0

CROSSREFS

Cf. A006002 (row sums).

Sequence in context: A054877 A269795 A372016 * A106828 A055302 A055349

Adjacent sequences: A095831 A095832 A095833 * A095835 A095836 A095837

KEYWORD

easy,nonn,tabl

AUTHOR

Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 10 2004

STATUS

approved