OFFSET
1,2
COMMENTS
LINKS
FORMULA
a(n) ~ c^(2^n), where c = 1.581081999938782403516250856478461283288009405562783587423785805068844988... . - Vaclav Kotesovec, Dec 18 2014
MATHEMATICA
s=1; lst={}; Do[AppendTo[lst, s*=s+=n], {n, 0, 9}]; lst (* Vladimir Joseph Stephan Orlovsky, Oct 20 2009 *)
RecurrenceTable[{a[n+1] == (a[n]+n)^2, a[1] == 1}, a, {n, 1, 10}] (* Vaclav Kotesovec, Dec 18 2014 *)
FoldList[(#1+#2)^2&, 1, Range@8] (* Ivan N. Ianakiev, May 08 2015 *)
nxt[{n_, a_}]:={n+1, (a+n)^2}; NestList[nxt, {1, 1}, 10][[;; , 2]] (* Harvey P. Dale, Aug 16 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Sep 01 2008
STATUS
approved