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A087307 Triangle read by rows: n-th row is the first arithmetic progression with common difference n of n numbers with the same prime signature. 2
1, 3, 5, 155, 158, 161, 111, 115, 119, 123, 3875983, 3875988, 3875993, 3875998, 3876003, 1333, 1339, 1345, 1351, 1357, 1363 (list; table; graph; refs; listen; history; internal format)
OFFSET

1,2

EXAMPLE

Triangle begins:

1,

3,5,

155,158,161,

111,115,119,123,

3875983,3875988,3875993,3875998,3876003

...

CROSSREFS

Cf. A087306.

Sequence in context: A088269 A164371 A108013 * A038535 A090953 A092947

Adjacent sequences:  A087304 A087305 A087306 * A087308 A087309 A087310

KEYWORD

nonn,tabl

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 02 2003

EXTENSIONS

Edited and extended by David Wasserman (dwasserm(AT) earthlink.net), Jan 08 2006

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Last modified February 16 11:25 EST 2012. Contains 205907 sequences.