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A046545 Distinct numbers in writing first numerator and then denominator of the central elements of the 1/3-Pascal triangle (by row). 0
1, 3, 8, 10, 110, 406, 504, 1892, 7150, 27170, 311168, 1192516, 1528436, 17681020, 68346800, 88256520, 342551190, 1331805570, 5185791600, 20220038300, 78937755820, 308513659740, 1207002506320, 4726599121400, 18525219137100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..25.

EXAMPLE

1/1; 1/1 1/1; 1/1 1/3 1/1; 1/1 4/3 4/3 1/1; 1/1 7/3 8/3 7/3 1/1; 1/1 10/3 5/1 5/1 10/3 1/1; 1/1 13/3 25/3 10/1 25/3 13/3 1/1; 1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ...

CROSSREFS

Cf. A046534.

Sequence in context: A088072 A213033 A305176 * A279585 A108752 A310279

Adjacent sequences:  A046542 A046543 A046544 * A046546 A046547 A046548

KEYWORD

tabf,nonn

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from James A. Sellers, Dec 14 1999

STATUS

approved

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Last modified August 2 21:30 EDT 2021. Contains 346429 sequences. (Running on oeis4.)