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A158821 Triangle read by rows: row n (n>=0) ends with 1, and for n>=1 begins with n; other entries are zero. 4
1, 1, 1, 2, 0, 1, 3, 0, 0, 1, 4, 0, 0, 0, 1, 5, 0, 0, 0, 0, 1, 6, 0, 0, 0, 0, 0, 1, 7, 0, 0, 0, 0, 0, 0, 1, 8, 0, 0, 0, 0, 0, 0, 0, 1, 9, 0, 0, 0, 0, 0, 0, 0, 0, 1, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 13, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,4

FORMULA

T(n,k) = A145677(n,n-k-1). [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 01 2009]

EXAMPLE

Triangle begins:

1

1, 1

2, 0, 1

3, 0, 0, 1

4, 0, 0, 0, 1

5, 0, 0, 0, 0, 1

6, 0, 0, 0, 0, 0, 1

7, 0, 0, 0, 0, 0, 0, 1

CROSSREFS

Sequence in context: A014511 A085855 A128132 * A127701 A004199 A062283

Adjacent sequences:  A158818 A158819 A158820 * A158822 A158823 A158824

KEYWORD

nonn,tabl,easy

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Mar 30 2008

EXTENSIONS

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 01 2009

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Last modified February 13 08:12 EST 2012. Contains 205451 sequences.