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A127775 Triangle read by rows: row n consists of n-1 zeros followed by 2n-1. 6
1, 0, 3, 0, 0, 5, 0, 0, 0, 7, 0, 0, 0, 0, 9, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

a(A000207(n)) = A005408(n-1), T(n,n) = 2*n - 1. - Reinhard Zumkeller, Feb 11 2007

LINKS

Table of n, a(n) for n=1..101.

FORMULA

T(n,k) = (2*n - 1) * 0^(n - k), 1<=k<=n. - Reinhard Zumkeller, Feb 11 2007

EXAMPLE

First few rows of the triangle are:

1;

0, 3;

0, 0, 5;

0, 0, 0, 7;

...

CROSSREFS

Cf. A127648, A127773, A127774, A005408, A014480, A001787.

Sequence in context: A316801 A143044 A305151 * A210953 A254280 A092669

Adjacent sequences:  A127772 A127773 A127774 * A127776 A127777 A127778

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Jan 28 2007

EXTENSIONS

More terms from Reinhard Zumkeller, Feb 11 2007

STATUS

approved

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Last modified April 8 21:01 EDT 2020. Contains 333325 sequences. (Running on oeis4.)