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A145385 a(1) = 1; a(n) = a(n-1) + n^a(n-1) for n > 1. 0
1, 3, 30, 1152921504606847006 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Next term is too large to include.
LINKS
MATHEMATICA
lst={}; s=0; Do[s+=n^s; AppendTo[lst, s], {n, 4}]; lst
PROG
(ARIBAS) a:=0; for n:=1 to 4 do a:=a+n**a; write(a:group(0), ", "); end; end;
CROSSREFS
Sequence in context: A308383 A065594 A155731 * A059232 A068698 A053300
KEYWORD
nonn
AUTHOR
EXTENSIONS
Edited definition, added comment and ARIBAS code. - Klaus Brockhaus, Oct 13 2008
STATUS
approved

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Last modified March 28 08:12 EDT 2024. Contains 371236 sequences. (Running on oeis4.)