OFFSET
1,2
COMMENTS
Sequence is unbounded.
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..10000
EXAMPLE
a(21)=6 since 21 = 12+5+1+1+1+1.
PROG
(PARI) a(n)={my(s=0); forstep(k=(sqrtint(24*n+1)+1)\6, 1, -1, my(t=k*(3*k-1)/2); s+=n\t; n%=t); s} \\ Andrew Howroyd, Apr 21 2021
CROSSREFS
KEYWORD
nonn
AUTHOR
Christina Steffan (christina.steffan(AT)gmx.at), Oct 03 2008
EXTENSIONS
Terms a(41) and beyond from Andrew Howroyd, Apr 21 2021
STATUS
approved