A076124 Square roots of squares pertaining to A076123.

1, 4, 12, 36, 180, 1260, 7560, 25200, 277200, 1663200, 21621600, 64864800, 735134400, 6983776800, 146659312800, 1613252440800, 37104806138400, 445257673660800, 4452576736608000, 38588998383936000, 1080491954750208000

Offset

1,2

Links

Table of n, a(n) for n=1..21.

Formula

a(n) = sqrt(prod_{i = n..2n-1} A076123(i)). - David Wasserman, Apr 02 2005

Crossrefs

Cf. A076123.

Sequence in context: A052643 A140123 A164853 * A247952 A183923 A349053

Adjacent sequences: A076121 A076122 A076123 * A076125 A076126 A076127

Keyword

nonn

Author

Amarnath Murthy, Oct 14 2002

Extensions

More terms from David Wasserman, Apr 02 2005

Status

approved