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A091797
Smallest k such that for 0 <= i < n, 1+i+n*(n-1)/2 divides k-i.
1
0, 4, 56, 2513, 60049, 1627904, 124324178, 1694579011, 446626220003, 73706596563554, 177223661334664, 171986625946535333, 3290057629552053281, 551042196782556679108, 71028805196838414285254
OFFSET
1,2
FORMULA
a(n) = A061431(n)-1-n*(n-1)/2 = A091796(n)+n-1.
EXAMPLE
a(4) = 2513 because 7 divides 2513, 8 divides 2512, 9 divides
2511 and 10 divides 2510.
CROSSREFS
Sequence in context: A009105 A168481 A171801 * A265230 A007726 A113113
KEYWORD
nonn,easy
AUTHOR
Amarnath Murthy, Feb 18 2004
EXTENSIONS
Edited and extended by David Wasserman, Dec 27 2005
STATUS
approved