OFFSET
0,12
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..343
MATHEMATICA
a[k_, n_]:=a[k, n]=If[n>2k+2, (a[k, (n-1)]*a[k, (n-2k-2)]+a[k, (n-k-1)]*a[k, (n-k-2)])/a[k, (n-2k-3)], 1];
Map[a[4, #]&, Range[0, 50]] (* Peter J. C. Moses, Apr 17 2016 *)
RecurrenceTable[{Table[a[d]==1, {d, 0, 10}], a[n]==(a[n-1]a[n-10]+ a[n-5]a[n-6])/ a[n-11]}, a, {n, 50}] (* Harvey P. Dale, Oct 18 2021 *)
PROG
(PARI) {a(n) = if(n< 11, 1, (a(n-1)*a(n-10) + a(n-5)*a(n-6))/a(n-11))};
for(n=0, 30, print1(a(n), ", ")) \\ G. C. Greubel, Feb 21 2018
(Magma) [n le 11 select 1 else (Self(n-1)*Self(n-10) + Self(n-5)*Self(n- 6))/Self(n-11): n in [1..30]]; // G. C. Greubel, Feb 21 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladimir Shevelev and Peter J. C. Moses, Apr 17 2016
STATUS
approved