This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A171233 Array, T(n,k) = 2*(n/k), if n mod k = 0; otherwise, T(n,k) = 1. Read by antidiagonals. 2
 2, 4, 1, 6, 2, 1, 8, 1, 1, 1, 10, 4, 2, 1, 1, 12, 1, 1, 1, 1, 1, 14, 6, 1, 2, 1, 1, 1, 16, 1, 4, 1, 1, 1, 1, 1, 18, 8, 1, 1, 2, 1, 1, 1, 1, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 22, 10, 6, 4, 1, 2, 1, 1, 1, 1, 1, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 26, 12, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 28, 1, 8, 1, 4, 1, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS T(n,3): continued fraction expansion of e - 1. LINKS FORMULA T(n,k) = A171232(n,k) + A077049(n,k). EXAMPLE Array begins 2 1 1 1 ... 4 2 1 1 ... 6 1 2 1 ... 8 4 1 2 ... ........... MAPLE A171233 := proc(n, k) if n mod k <> 0 then 1; else 2*n/k ; end if; end proc: seq(seq(A171233(d-k+1, k), k=1..d), d=1..17) ; # R. J. Mathar, Dec 08 2009 CROSSREFS Cf. T(n,1) = A005843(n-1), A171232, A077049. Sequence in context: A078886 A095247 A007734 * A096907 A249146 A225679 Adjacent sequences:  A171230 A171231 A171232 * A171234 A171235 A171236 KEYWORD cofr,nonn,tabl AUTHOR Ross La Haye, Dec 05 2009 EXTENSIONS Terms beyond the 6th antidiagonal from R. J. Mathar, Dec 08 2009 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 April 24 04:23 EDT 2019. Contains 322406 sequences. (Running on oeis4.)