OFFSET
1,2
LINKS
Ivan Neretin, Table of n, a(n) for n = 1..10000
MATHEMATICA
Table[Total[FactorInteger[Binomial[3 n, n + 1]][[All, 2]]], {n, 78}] (* Ivan Neretin, Nov 02 2017 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(53) corrected by Ivan Neretin, Nov 02 2017
STATUS
approved