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A091796
Smallest k such that for 0 <= i < n, n*(n+1)/2-i divides k+i.
1
0, 3, 54, 2510, 60045, 1627899, 124324172, 1694579004, 446626219995, 73706596563545, 177223661334654, 171986625946535322, 3290057629552053269, 551042196782556679095, 71028805196838414285240
OFFSET
1,2
FORMULA
a(n) = A061431(n)-n*(n+1)/2.
EXAMPLE
a(4) = 2510 because 7 divides 2513, 8 divides 2512, 9 divides
2511 and 10 divides 2510.
CROSSREFS
Sequence in context: A157550 A224368 A091826 * A171213 A006025 A049414
KEYWORD
nonn,easy
AUTHOR
Amarnath Murthy, Feb 18 2004
EXTENSIONS
Edited and extended by David Wasserman, Dec 27 2005
STATUS
approved