A081957 Triangle whose n-th row contains the n smallest numbers that are products of n distinct integers > 1, read by rows.

2, 6, 8, 24, 30, 36, 120, 144, 168, 180, 720, 840, 960, 1008, 1080, 5040, 5760, 6480, 6720, 7200, 7560, 40320, 45360, 50400, 51840, 55440, 57600, 60480, 362880, 403200, 443520, 453600, 483840, 498960, 518400, 524160, 3628800, 3991680, 4354560, 4435200, 4717440, 4838400, 4989600, 5080320, 5241600

Offset

1,1

Links

James Rayman, Rows n = 1..100, flattened

James Rayman, Python program

Example

Triangle begins:
    2;
    6,   8;
   24,  30,  36;
  120, 144, 168, 180;
  ...

Prog

(Python) # See Rayman link.

Crossrefs

Cf. A081958, A081959, A081960.

Sequence in context: A068496 A340810 A334898 * A334901 A279732 A260669

Adjacent sequences: A081954 A081955 A081956 * A081958 A081959 A081960

Keyword

nonn,tabl

Author

Amarnath Murthy, Apr 02 2003

Extensions

Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 08 2003

Terms a(39) and beyond from James Rayman, Jan 17 2021

Name edited by Michel Marcus, Jan 18 2021

Status

approved