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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A130473 Partial sums of A087172. 1
1, 3, 6, 9, 14, 19, 24, 32, 40, 48, 56, 64, 77, 90, 103, 116, 129, 142, 155, 168, 189, 210, 231, 252, 273, 294, 315, 336, 357, 378, 399, 420, 441, 475, 509, 543, 577, 611, 645, 679, 713, 747, 781, 815, 849, 883, 917, 951, 985, 1019, 1053, 1087, 1121, 1155, 1210 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..55.

FORMULA

a(n)=1/2*(Fib(2*b(n)+1)-3*Fib(b(n))*Fib(b(n)+1)-1)+(n+1)*Fib(b(n)) where b(n)=A130233(n)=A130234(n+1)-1 and Fib(n)=A000045(n).

CROSSREFS

Cf. A000045, A130233, A130234, A130235, A130236, A130238, A130240, A087172.

Sequence in context: A027424 A191130 A134031 * A184015 A225282 A082643

Adjacent sequences:  A130470 A130471 A130472 * A130474 A130475 A130476

KEYWORD

nonn

AUTHOR

Hieronymus Fischer, May 28 2007

STATUS

approved

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 May 21 06:39 EDT 2013. Contains 225476 sequences.