A143679 Duplicate of A081581.

1, 1, 1, 1, 8, 1, 1, 15, 15, 1, 1, 22, 78, 22, 1, 1, 29, 190, 190, 29, 1, 1, 36, 351, 848, 351, 36, 1, 1, 43, 561, 2339, 2339, 561, 43, 1, 1, 50, 820, 5006, 9766, 5006, 820, 50, 1, 1, 57, 1128, 9192, 28806, 28806, 9192, 1128, 57, 1

Offset: 0

Author

Paul Barry, Aug 28 2008

Keywords

• dead

Comments

Is this the same as A081581? [From R. J. Mathar, Sep 05 2008]

From Riordan array definition, same as A081581. - Ralf Stephan, Jan 03 2014