The OEIS is supported by the many generous donors to the OEIS Foundation.

 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 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A035834 Coordination sequence for lattice D*_98 (with edges defined by l_1 norm = 1). 0
 1, 196, 19208, 1254988, 61504016, 2411710420, 78823543064, 2208781856092, 54174273131552, 1181513222975204, 23200998588819240, 414366303855940716, 6787317128471047728, 102682475886364669428, 1443372362804937698616 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..14. Joan Serra-Sagrista, Enumeration of lattice points in l_1 norm, Inf. Proc. Lett. 76 (1-2) (2000) 39-44. FORMULA a(m)=add(2^k*binomial(n, k)*binomial(m-1, k-1), k=0..n)+2^n*binomial((n+2*m)/2-1, n-1); with n=98. CROSSREFS Sequence in context: A203540 A006362 A363176 * A114761 A076002 A145020 Adjacent sequences: A035831 A035832 A035833 * A035835 A035836 A035837 KEYWORD nonn AUTHOR N. J. A. Sloane, J. Serra-Sagrista (jserra(AT)ccd.uab.es) STATUS approved

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

Last modified December 9 06:02 EST 2023. Contains 367685 sequences. (Running on oeis4.)