A090404 Triangle read by rows in which the n-th row contains the n smallest numbers that are the product of n numbers > 1.

2, 4, 6, 8, 12, 16, 16, 24, 32, 36, 32, 48, 64, 72, 80, 64, 96, 128, 144, 160, 192, 128, 192, 256, 288, 320, 384, 432, 256, 384, 512, 576, 640, 768, 864, 896, 512, 768, 1024, 1152, 1280, 1536, 1728, 1792, 1920, 1024, 1536, 2048, 2304, 2560, 3072, 3456, 3584, 3840, 4096, 2048, 3072, 4096, 4608, 5120, 6144, 6912, 7168, 7680, 8192, 9216

Offset

1,1

Links

Table of n, a(n) for n=1..66.

Example

Triangle begins:
2
4 6
8 12 16
...

Crossrefs

Cf. A081954, A002262.

Sequence in context: A214415 A094109 A338361 * A015937 A058825 A087086

Adjacent sequences: A090401 A090402 A090403 * A090405 A090406 A090407

Keyword

tabl,nonn

Author

Amarnath Murthy, Apr 02 2003

Extensions

Corrected and extended by David Wasserman, Jul 21 2004

Status

approved