login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A089651 Partial sums of the sequence : a(1)=1, a(1), a(1), a(1), a(1), a(2), a(2), a(2), a(2), a(3), a(3), a(3), a(3), a(4), ...each terms (not a(1)) repeated 4 times. 1
1, 2, 3, 4, 5, 7, 9, 11, 13, 16, 19, 22, 25, 29, 33, 37, 41, 46, 51, 56, 61, 68, 75, 82, 89, 98, 107, 116, 125, 136, 147, 158, 169, 182, 195, 208, 221, 237, 253, 269, 285, 304, 323, 342, 361, 383, 405, 427, 449, 474, 499, 524, 549, 578, 607, 636, 665 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..57.

CROSSREFS

Sequence in context: A050198 A158923 A008740 * A063487 A253063 A081998

Adjacent sequences:  A089648 A089649 A089650 * A089652 A089653 A089654

KEYWORD

easy,nonn

AUTHOR

Philippe Deléham, Jan 02 2004

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 3 05:29 EDT 2020. Contains 334798 sequences. (Running on oeis4.)