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A079801 Final term of n-th group in A079798. 4
1, 3, 6, 11, 33, 186, 2958, 48246, 19840326, 2510415286598, 521698566186280239801, 4471373101273208723788137885117929798, 1253543310663256238898448262146285580160101720412514117844237110598 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
For n>1, a(n) = A079800(n+1) - 1. Also, a(n) = (sqrt(8*(A079798(1) + A079798(2) + ... + A079798(n)) + 1) - 1) / 2. - Max Alekseyev, May 08 2009
CROSSREFS
Sequence in context: A101958 A153982 A119367 * A280259 A119104 A180483
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Feb 05 2003
EXTENSIONS
Extended by Max Alekseyev, May 08 2009
STATUS
approved

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Last modified April 16 19:21 EDT 2024. Contains 371754 sequences. (Running on oeis4.)