A097126 Number of noncongruent integer-sided 4-dimensional simplices with largest side n.

1, 6, 56, 336, 1840, 7925, 29183, 91621, 256546, 648697, 1508107, 3267671, 6679409, 12957976, 24015317, 42810244, 73793984, 123240964, 200260099, 317487746, 492199068, 747720800, 1115115145, 1634875673, 2360312092, 3358519981, 4716186332, 6541418450

Offset

1,2

Links

N. J. A. Sloane, Table of n, a(n) for n = 1..52 [Extracted from the Kurz link]

Sascha Kurz, Enumeration of integral tetrahedra, J. Integer Seqs., 10 (2007), # 07.9.3.

Sascha Kurz, Enumeration of integral tetrahedra, arXiv:0804.1310 [math.CO], 2008.

Crossrefs

Cf. A002620, A097125, A097127.

Sequence in context: A166766 A221401 A364471 * A210325 A074019 A074018

Adjacent sequences: A097123 A097124 A097125 * A097127 A097128 A097129

Keyword

nonn

Author

Sascha Kurz, Jul 26 2004

Status

approved