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A046219 Denominators of elements of 1/2-Pascal triangle (by row). 0
1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..87.

EXAMPLE

1/1; --> 1

1/1  1/1;  --> 1 1

1/1  1/2  1/1;  --> 1 2 1

1/1  3/2  3/2  1/1;  --> ...

1/1  5/2  3/1  5/2  1/1;

1/1  7/2 11/2 11/2  7/2  1/1;

1/1  9/2  9/1 11/1  9/1  9/2  1/1;

1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1;

...

CROSSREFS

Cf. A046213.

Sequence in context: A191322 A264840 A308188 * A088978 A276948 A160245

Adjacent sequences:  A046216 A046217 A046218 * A046220 A046221 A046222

KEYWORD

tabl,nonn,frac

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from Sean A. Irvine, Apr 07 2021

STATUS

approved

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Last modified July 31 22:21 EDT 2021. Contains 346377 sequences. (Running on oeis4.)