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

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A073160 Sums of adjacent terms of A073159. Together, A073158, A073159 and A073160 include all the positive integers uniquely. 3
9, 17, 23, 25, 31, 42, 53, 63, 69, 71, 77, 84, 91, 102, 109, 112, 119, 127, 135, 145, 153, 157, 162, 172, 181, 185, 188, 194, 200, 204, 211, 222, 232, 239, 241, 243, 253, 258, 268, 279, 280, 288 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(n) is asymptotic to 7n.

LINKS

Table of n, a(n) for n=1..42.

FORMULA

a(n) = A073159(n) + A073159(n-1), where A073159(0)=0.

EXAMPLE

A073158:_1,2,4, 7, 5, 8,10,14,15,19,16,20,21,22,26,28,27,... A073159:__3,6,11,12,13,18,24,29,34,35,36,41,43,48,54,55,... A073160:___9,17,23,25,31,42,53,63,69,71,77,84,91,102,109,...

CROSSREFS

Cf. A073158, A073159.

Sequence in context: A190151 A144752 A317332 * A242987 A143850 A017077

Adjacent sequences:  A073157 A073158 A073159 * A073161 A073162 A073163

KEYWORD

easy,nonn

AUTHOR

Paul D. Hanna, Jul 29 2002

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 November 29 14:14 EST 2020. Contains 338769 sequences. (Running on oeis4.)