A046558 Even numbers in the numerators of the 1/3-Pascal triangle (by row).

4, 4, 8, 10, 10, 10, 16, 38, 38, 16, 18, 110, 18, 22, 22, 220, 350, 406, 350, 220, 28, 40, 190, 252, 252, 190, 40, 28, 148, 442, 504, 442, 148, 34, 440, 946, 946, 440, 34, 254, 1892, 254, 40, 250, 5434, 2860, 2860, 5434, 250, 40, 290, 3640, 14014, 7150, 14014

Offset

1,1

Links

Table of n, a(n) for n=1..55.

Example

1/1; -->
1/1 1/1; -->
1/1 1/3 1/1; -->
1/1 4/3 4/3 1/1; --> 4 4
1/1 7/3 8/3 7/3 1/1; --> 8
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: A101921 A093340 A357751 * A180854 A014687 A172022

Adjacent sequences: A046555 A046556 A046557 * A046559 A046560 A046561

Keyword

tabf,nonn,frac,less

Author

Mohammad K. Azarian

Extensions

More terms from James A. Sellers, Dec 18 1999

Status

approved