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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A067093 Floor[X/Y] where X = concatenation of (n+1)-st odd number through the 2n-th odd number and Y = concatenation of first n odd numbers. 10
 3, 4, 58, 6714, 81975, 96852, 111729, 126607, 141484, 156361, 171238, 186116, 200993, 215870, 230748, 245625, 260502, 275379, 290257, 305134, 320011, 334889, 349766, 364643, 379520, 39439811, 4092753962, 424152673322, 43902995043838 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE a(4) = floor[9111315/1357] = floor[6714.30729550478997789240972733972] = 6714. MATHEMATICA f[n_] := (k = 1; x = y = "0"; While[k < n + 1, x = StringJoin[x, ToString[2n + 2k -1]]; y = StringJoin[y, ToString[2k - 1]]; k++ ]; Return[ Floor[ ToExpression[x] / ToExpression[y]]] ); Table[ f[n], {n, 1, 32} ] CROSSREFS Cf. A067088, A067089, A067090, A067091, A067092. Sequence in context: A166850 A317856 A331725 * A041105 A196442 A278035 Adjacent sequences:  A067090 A067091 A067092 * A067094 A067095 A067096 KEYWORD easy,base,nonn AUTHOR Amarnath Murthy, Jan 07 2002 EXTENSIONS More terms from Robert G. Wilson v, Jan 09 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.

Last modified May 9 07:53 EDT 2021. Contains 343692 sequences. (Running on oeis4.)