A056621 a(n) is the total radius of gyration of all self-avoiding polygons of length 2n on the square lattice.

8, 66, 600, 5164, 42872, 346828, 2754056, 21549780, 166626744, 1275865332, 9690096824, 73090383120, 548064459968, 4088719617824, 30367415294800, 224659143155964, 1656259765448200, 12172580326973688

Offset: 2

Author

N. J. A. Sloane, Aug 30 2000

Keywords

• nonn

Links

• I. Jensen, Table of n, a(n) for n = 2..50 (from link below)
• Sean A. Irvine, Java program (github)
• I. Jensen, More terms

Crossrefs

Cf. A002931.

Extensions

Title clarified by Sean A. Irvine, Apr 25 2022