OFFSET
1,2
COMMENTS
1.316060403659077164259816962579... = [1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120,...]
LINKS
Paolo P. Lava, Table of n, a(n) for n = 1..1000
MAPLE
MATHEMATICA
tri[n_] := n (n + 1)/2; RealDigits[ FromContinuedFraction@ tri@ Range@ 29, 10, 111] (* Robert G. Wilson v, Dec 26 2016 *)
RealDigits[FromContinuedFraction[Accumulate[Range[500]]], 10, 120][[1]] (* Harvey P. Dale, Jul 29 2024 *)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Paolo P. Lava, Jun 17 2013
STATUS
approved