A086442 a(n) = A086323(n)/n.

1, 1, 2, 2, 6, 6, 18, 20, 50, 74, 186, 216, 630, 916, 2002, 3040, 7710, 10806, 27594, 40642, 94658, 158492, 364722, 516682, 1333926, 2180772, 4770374, 7845774, 18512790, 28706044, 69273666, 111116576, 251853466, 436650938, 977895330

Offset

1,3

Links

Table of n, a(n) for n=1..35.

Crossrefs

Cf. A086323.

Sequence in context: A370588 A011260 A117855 * A071407 A309094 A109859

Adjacent sequences: A086439 A086440 A086441 * A086443 A086444 A086445

Keyword

nonn

Author

Vladeta Jovovic, Sep 09 2003

Extensions

More terms from Max Alekseyev, Sep 25 2009

Status

approved