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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A134757 A007318 * A100071. 2
1, 3, 11, 37, 123, 401, 1293, 4131, 13107, 41353, 129873, 406319, 1267093, 3940431, 12224579, 37845117, 116944371, 360771417, 1111332129, 3418840431, 10504903809, 32242682787 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

Also A007318^(-1) * A037965. [Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 10 2007]

FORMULA

Binomial transform of A100071 starting [1, 2, 6, 12, 30,...].

Inverse binomial transform of A037965 starting [1, 4, 18, 80, 350,...].

EXAMPLE

a(3) = 11 = (1, 2, 1) dot (1, 2, 6) = (1 + 4 + 6), where A100071 = (1, 2, 6, 12, 30,...).

a(3) = 11 = (1, -2, 1) dot (1, 4, 18) = (1 - 8 + 18). [Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 10 2007]

CROSSREFS

Cf. A100071, A037965, A107965.

Sequence in context: A192875 A118044 A027062 * A094977 A192339 A027064

Adjacent sequences:  A134754 A134755 A134756 * A134758 A134759 A134760

KEYWORD

nonn

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 08 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 16 08:13 EST 2012. Contains 205893 sequences.