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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A075356 Sum of terms in n-th group in A075352. 6
1, 2, 7, 11, 24, 33, 58, 74, 115, 140, 201, 237, 273, 364, 413, 532, 596, 747, 828, 1015, 1115, 1342, 1463, 1734, 1878, 2022, 2353, 2522, 2905, 3101, 3540, 3765, 4264, 4520, 5083, 5372, 6003, 6327, 7030, 7391, 7752, 8550, 8950, 9828, 10269, 11231, 11715 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..47.

FORMULA

a(n) = A075355(n)*(A075354(n)+A075353(n))/2. - David Wasserman, Jan 16 2005

CROSSREFS

Cf. A075352, A075353, A075354, A075355.

Sequence in context: A088179 A228434 A031873 * A235355 A103184 A093039

Adjacent sequences:  A075353 A075354 A075355 * A075357 A075358 A075359

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Sep 19 2002

EXTENSIONS

More terms from David Wasserman, Jan 16 2005

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 December 6 16:37 EST 2021. Contains 349567 sequences. (Running on oeis4.)