login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A128186 A051731 * A128174. 0
1, 1, 1, 2, 0, 1, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 2, 1, 1, 0, 1, 2, 0, 1, 0, 1, 0, 1, 1, 3, 0, 2, 0, 1, 0, 1, 3, 0, 2, 0, 1, 0, 1, 0, 1, 2, 2, 1, 1, 1, 1, 0, 1, 0, 1 (list; table; graph; refs; listen; history; internal format)
OFFSET

1,4

COMMENTS

Left column = A001227, row sums = A079247: (1, 2, 3, 4, 4, 7, 5, 8, 8, 10,...) A128187 = A128174 * A051731

FORMULA

A051731 * A128174 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

1, 1;

2, 0, 1;

1, 2, 0, 1;

2, 0, 1, 0, 1;

2, 2, 1, 1, 0, 1;

2, 0, 1, 0, 1, 0, 1;

...

CROSSREFS

Cf. A128174, A051731, A128187, A079247, A001227.

Sequence in context: A124763 A029372 A029377 * A048823 A173655 A025871

Adjacent sequences:  A128183 A128184 A128185 * A128187 A128188 A128189

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 17 2007

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 14 10:24 EST 2012. Contains 205614 sequences.