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A077160 Leading terms of rows of triangle in A077159. 3
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A077159, A077161, A077162.

Sequence in context: A163236 A325008 A325016 * A228043 A262066 A057046

Adjacent sequences:  A077157 A077158 A077159 * A077161 A077162 A077163

KEYWORD

easy,nonn

AUTHOR

Amarnath Murthy, Oct 31 2002

EXTENSIONS

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

STATUS

approved

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Last modified May 15 17:11 EDT 2021. Contains 343920 sequences. (Running on oeis4.)