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A144183 Triangle read by rows, A144182 * A000012 1
1, 1, 1, 3, 1, 1, 9, 5, 3, 3, 11, 15, 11, 9, 9, 17, 17, 21, 17, 11, 11, 35, 43, 43, 47, 35, 17, 17, 57, 73, 81, 81, 93, 57, 35, 35, 91, 75, 91, 99, 99, 135, 91, 57, 57, 161, 161, 145, 161, 185, 185, 229, 161, 91, 91, 275, 243, 243, 227, 275, 347, 347, 415, 275, 161, 161 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

Left border = A144181: (1, 1, 3, 9, 11, 17, 35,...) = INVERT transform of A118434. Right border = A144181 shifted.

LINKS

Table of n, a(n) for n=0..65.

FORMULA

Triangle read by rows, A144182 * A000012; (equivalent to taking partial row sums

of A144182 starting from the right). A000012 = an infinite lower triangular matrix with all 1's and the rest zeros.

EXAMPLE

First few rows of the triangle =

1;

1, 1;

3, 1, 1;

9, 5, 3, 3;

11, 15, 11, 9, 9;

17, 17, 21, 17, 11, 11;

35, 43, 43, 47, 35, 17, 17;

57, 73, 81, 81, 93, 57, 35, 35;

91, 75, 91, 99, 99, 135, 91, 57, 57;

...

Row 3 = (9, 5, 3, 3) = partial sums from the right of row 3, triangle A144182: (4, 2, 0, 3).

CROSSREFS

A144182, Cf. A144181, A118434

Sequence in context: A142992 A145905 A171435 * A050153 A294950 A294609

Adjacent sequences:  A144180 A144181 A144182 * A144184 A144185 A144186

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Sep 13 2008

STATUS

approved

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Last modified January 22 15:57 EST 2019. Contains 319364 sequences. (Running on oeis4.)