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URL: https://oeis.org/A309242

⇱ A309242 - OEIS

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A309242
a(n) is the smallest integer m such that the equality Product_{i=1..n} (x_i + m) = (m+n)!/m! for integers x_1, ..., x_n from N = { 1, 2, ..., n } guarantees that they form a permutation of N.
0
0, 0, 0, 1, 2, 5, 6, 9, 10, 16, 18, 27, 28, 33, 45, 45, 45, 56, 78, 81, 108, 120, 136, 140, 180, 180, 192, 209, 210, 280, 280, 286, 325, 325, 380, 392, 527, 527, 527, 625, 650, 650, 703, 703
OFFSET
1,5
COMMENTS
a(n) <= A065048(n) + 1.
CROSSREFS
Sequence in context: A213730 A191172 A078632 * A122701 A032925 A244749
KEYWORD
nonn,more
AUTHOR
Max Alekseyev, Jul 17 2019
STATUS
approved