The OEIS is looking to hire part-time people to help edit core sequences, upload scanned documents, process citations, fix broken links, etc. - Neil Sloane, firstname.lastname@example.org
R. H. Hardin, Ray Chandler, Table of n, a(n) for n = 1..1000
Weisstein, Eric W.: MathWorld -- Rhombus.
Nathaniel Johnston, C program for computing terms
Cf. A189413, A189414.
Sequence in context: A002663 A099855 A003469 * A027992 A271389 A247168
Adjacent sequences: A189415 A189416 A189417 * A189419 A189420 A189421
Martin Renner, Apr 21 2011
a(6) - a(28) from Nathaniel Johnston, Apr 23 2011
Terms beyond a(28) by R. H. Hardin, May 04 2011
B-file extended by Ray Chandler, May 18 2011