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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

Table of n, a(n) for n=1..99.

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

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Last modified April 24 04:23 EDT 2019. Contains 322406 sequences. (Running on oeis4.)