A182757 Numbers k > 1 such that is no sequence B of type: {b(1) = 1, b(2) = k, for n >= 3; b(n) = the smallest number h > b(n-1) such that [[b(n-2) + b(n-1)] * [b(n-2) + h] * [b(n-1) + h]] / [b(n-2) * b(n-1) * h] is an integer}.

4, 5, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50

Offset

1,1

Comments

With 1 complement of A182756.

Links

Table of n, a(n) for n=1..43.

Crossrefs

Cf. A182751, A182752, A182753, A182754, A182755, A182756, A038754.

Sequence in context: A010666 A196001 A257542 * A164515 A298871 A298874

Adjacent sequences: A182754 A182755 A182756 * A182758 A182759 A182760

Keyword

nonn,more

Author

Jaroslav Krizek, Nov 27 2010

Status

approved