A046590 Numerators of the elements to the right of the central elements of the 1/4-Pascal triangle (by row), excluding 1's.

5, 9, 19, 13, 8, 17, 35, 49, 21, 119, 35, 25, 259, 189, 95, 29, 112, 71, 31, 33, 483, 183, 102, 157, 37, 849, 285, 565, 97, 41, 1815, 1419, 1705, 759, 235, 45, 1617, 4543, 616, 497, 70, 49, 3432, 11011, 7007, 1729, 637, 329, 53, 24739, 9009, 10465, 1183, 1603

Offset

1,1

Links

Table of n, a(n) for n=1..54.

Example

1/1; -->
1/1 1/1; -->
1/1 1/4 1/1; -->
1/1 5/4 5/4 1/1; --> 5
1/1 9/4 5/2 9/4 1/1;  --> 9
1/1 13/4 19/4 19/4 13/4 1/1; --> 19 13
1/1 17/4 8/1 19/2 8/1 17/4 1/1;
1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

Sequence in context: A257595 A116453 A046578 * A372997 A344746 A226663

Adjacent sequences: A046587 A046588 A046589 * A046591 A046592 A046593

Keyword

tabf,nonn,frac,less

Author

Mohammad K. Azarian

Extensions

More terms from David W. Wilson

Status

approved