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A175516 a(n) = smallest positive even integer k such that k or one of its left substrings is divisible by any integer from {1..n}. 1
2, 2, 6, 12, 60, 60, 252, 504, 504, 504, 7260, 7260, 10296, 11760, 11760, 11760, 56160, 56160, 198016, 198016, 1176480, 1323008, 2992500, 6240366, 13442580, 13442580, 37536408, 37536408, 90725804, 90725804, 319800096, 319800096, 319800096, 800640126, 2201169600, 2201169600, 4656965040, 5250966084, 5250966084 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..39.

Hugo van der Sanden A169858-0.03.tar.bz2: C source code to calculate terms (has an option to compute the present sequence)

CROSSREFS

Cf. A169858.

Sequence in context: A103872 A216641 A191970 * A244656 A159322 A049313

Adjacent sequences:  A175513 A175514 A175515 * A175517 A175518 A175519

KEYWORD

base,nonn

AUTHOR

Zak Seidov, Jun 03 2010

EXTENSIONS

Corrected and extended by Hugo van der Sanden, Jun 01 2010

STATUS

approved

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Last modified June 24 08:22 EDT 2017. Contains 288697 sequences.