A141731 Numbers of 1's in the rows of triangle A141728.

1, 0, 3, 2, 4, 3, 6, 9, 7, 7, 9, 8, 11, 8, 13, 16, 18, 14, 14, 14, 22, 20, 20, 25, 22, 23, 24, 17, 29, 22, 29, 36, 38, 34, 32, 32, 38, 36, 34, 36, 36, 40, 44, 44, 34, 30, 42, 45, 50, 45, 38, 43, 49, 50, 55, 56, 58, 62, 56, 49, 58, 51, 62, 71, 73, 65, 65, 63, 69, 69, 69, 67, 67, 75

Offset

1,3

Links

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

Crossrefs

Cf. A141727 - A141730, A141732 - A141746.

Sequence in context: A261985 A026923 A058708 * A294145 A024856 A147598

Adjacent sequences: A141728 A141729 A141730 * A141732 A141733 A141734

Keyword

easy,nonn

Author

Paolo P. Lava and Giorgio Balzarotti, Jul 02 2008

Status

approved