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A046617 First numerator and then denominator of the elements to the right of the central elements of the 1/5-Pascal triangle (by row), excluding 5's. 0
1, 1, 1, 1, 6, 1, 1, 11, 1, 1, 23, 16, 1, 1, 39, 21, 1, 1, 17, 1, 12, 1, 26, 1, 1, 29, 1, 86, 31, 1, 1, 63, 1, 231, 117, 36, 1, 1, 546, 348, 153, 41, 1, 1, 1176, 894, 501, 194, 46, 1, 1, 414, 1, 279, 1, 139, 1, 48, 1, 51, 1, 1, 4422, 693, 1, 418, 1, 187, 1, 291, 56, 1, 1, 7887 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..74.

EXAMPLE

1/1; 1/1 1/1; 1/1 1/5 1/1; 1/1 6/5 6/5 1/1; 1/1 11/5 12/5 11/5 1/1; 1/1 16/5 23/5 23/5 16/5 1/1; 1/1 21/5 39/5 46/5 39/5 21/5 1/1; 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

CROSSREFS

Cf. A046601.

Sequence in context: A204001 A144395 A046621 * A131063 A081579 A295707

Adjacent sequences:  A046614 A046615 A046616 * A046618 A046619 A046620

KEYWORD

tabf,nonn

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from James A. Sellers, Dec 16 1999

STATUS

approved

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Last modified September 23 20:42 EDT 2021. Contains 347617 sequences. (Running on oeis4.)