OFFSET
1,1
LINKS
Robert G. Wilson v, Table of n, a(n) for n = 1..76
Graeme McRae, Highly Composite Numbers
S. Ramanujan, Highly composite numbers, Proceedings of the London Mathematical Society, 2, XIV, 1915, 347 - 409.
EXAMPLE
If n=1 then the sum of the highly composite numbers 1+2+4+6 = 13 which is the first term in the sequence.
If n=2 then the sum of the highly composite numbers 12+24+36+48+60 = 180 which is the second term in the sequence.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Parthasarathy Nambi, Mar 30 2007
EXTENSIONS
More terms from Robert G. Wilson v, Apr 08 2007
STATUS
approved