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A019304 "Pascal sweep" for k=3: draw a horizontal line through the 1 at C(k,0) in Pascal's triangle; rotate this line and record the sum of the numbers on it (excluding the initial 1). 0
1, 4, 1, 12, 1, 6, 1, 18, 1, 8, 1, 25, 1, 10, 1, 33, 1, 12, 1, 42, 1, 14, 1, 52, 1, 16, 1, 63, 1, 18, 1, 75, 1, 20, 1, 88, 1, 22, 1, 102, 1, 24, 1, 117, 1, 26, 1, 133, 1, 28, 1, 150, 1, 30, 1, 168, 1, 32, 1, 187, 1, 34, 1, 207, 1, 36, 1, 228, 1, 38, 1, 250, 1, 40, 1, 273, 1, 42, 1, 297, 1, 44, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..82.

CROSSREFS

Sequence in context: A143952 A097877 A225770 * A072869 A064279 A078710

Adjacent sequences:  A019301 A019302 A019303 * A019305 A019306 A019307

KEYWORD

nonn

AUTHOR

Jonas Wallgren

EXTENSIONS

More terms from David W. Wilson.

STATUS

approved

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Last modified February 26 05:19 EST 2020. Contains 332276 sequences. (Running on oeis4.)