A153198 - OEIS

A153198

Triangle read by rows, T(n,k) = A006789(k) if (n=k) otherwise zero. = (A006789 * 0^(n-k))

1, 0, 1, 0, 0, 2, 0, 0, 0, 5, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 43, 0, 0, 0, 0, 0, 0, 143, 0, 0, 0, 0, 0, 0, 0, 509, 0, 0, 0, 0, 0, 0, 0, 0, 1922

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OFFSET

0,6

COMMENTS

Binomial transform of A153198 = triangle A153199 with row sums = A153197: (1, 2, 5, 15, 51, 189, 748,...).

LINKS

Table of n, a(n) for n=0..44.

FORMULA

Triangle read by rows, T(n,k) = (A006789 * 0^(n-k)). Infinite lower triangular matrix with A006789: (1, 1, 2, 5, 14, 43, 143,...) as the main diagonal and the rest zeros.

EXAMPLE

First few rows of the triangle =

0, 1;

0, 0, 2;

0, 0, 0, 5;

0, 0, 0, 0, 14;

0, 0, 0, 0, 0, 43;

0, 0, 0, 0, 0, 0, 143;

0, 0, 0, 0, 0, 0, 0, 509;

...

CROSSREFS

Cf. A006789, A153197, A153198

Sequence in context: A259863 A283666 A131427 * A182492 A222898 A113044

Adjacent sequences: A153195 A153196 A153197 * A153199 A153200 A153201

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Dec 20 2008

STATUS

approved