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A053322 First differences of A031926. 1
270, 30, 12, 48, 30, 12, 192, 18, 18, 24, 18, 150, 18, 54, 126, 54, 30, 180, 66, 84, 36, 12, 162, 90, 156, 24, 150, 60, 30, 30, 186, 72, 78, 54, 36, 42, 102, 36, 30, 102, 30, 168, 12, 228, 42, 132, 78, 18, 162, 408, 60, 234, 168, 192, 108, 120, 18, 210, 174, 120, 90 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Minimal value 12 is for n = 3, 6, 22, 43, 90, 123, 125, 135, 144, 147, 201, 255, 276, 287, 310, 338, 350. - Zak Seidov, Jun 12 2017

LINKS

Table of n, a(n) for n=1..61.

CROSSREFS

Sequence in context: A251216 A166807 A131264 * A274328 A025393 A291790

Adjacent sequences:  A053319 A053320 A053321 * A053323 A053324 A053325

KEYWORD

nonn

AUTHOR

Labos Elemer, Mar 06 2000

STATUS

approved

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Last modified February 17 02:33 EST 2019. Contains 320200 sequences. (Running on oeis4.)