A141900 a(n) = smallest term in A141586 that is divisible by 2^n but not by 2^(n+1).

1, 2, 12, 24, 240, 480, 6720, 13440, 241920, 483840, 10644480, 21288960, 553512960, 1107025920, 2214051840, 4428103680, 150555525120, 301111050240, 11442219909120, 22884439818240, 45768879636480

Offset

0,2

Links

N. J. A. Sloane, Table of n, a(n) for n = 0..50 [Computed using David Applegate's program from A142593]

Example

a(5) = 480 = 2^5*3*5.

Crossrefs

Cf. A141586, A142593 (factorizations).

Sequence in context: A309278 A052565 A176710 * A211374 A126962 A002207

Adjacent sequences: A141897 A141898 A141899 * A141901 A141902 A141903

Keyword

nonn

Author

David Applegate, Tim Kunisky (tkunisky(AT)gmail.com), Gerry Manoim (gerrymanoim(AT)gmail.com) and N. J. A. Sloane, Sep 18 2008

Status

approved