A077160 Leading terms of rows of triangle in A077159.

2, 1, 4, 9, 6, 17, 10, 21, 28, 51, 30, 55, 64, 87, 88, 105, 78, 167, 102, 171, 152, 195, 180, 253, 264, 315, 280, 351, 270, 427, 348, 465, 434, 587, 474, 595, 480, 681, 680, 741, 666, 835, 738, 915, 914, 957, 860, 1127, 940, 1197, 1106, 1215, 1092, 1417, 1272

Offset: 1

Author

Amarnath Murthy, Oct 31 2002

Keywords

• easy
• nonn

Crossrefs

Cf. A077159, A077161, A077162.

Extensions

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 23 2003