OFFSET
1,1
COMMENTS
Table starts
..2.....4........6...........9.............12..............16..............20
..4....18.......64.........193............501............1180............2529
..6....64......629........5191..........35084..........201142.........1001345
..9...193.....5191......127771........2563468........42356325.......590679221
.12...501....35084.....2563468......157360559......7926791154....333098446431
.16..1180...201142....42356325.....7926791154...1231063084249.158993797153025
.20..2529..1001345...590679221...333098446431.158993797153025
.25..5080..4446018..7140764807.11973522235788
.30..9593.17889927.76331242612
.36.17298.66227888
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..83
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 04 2011
STATUS
approved