%I A049022
%S A049022 2,4,6,15,5005,23197529289205687077586038842122627336104000
%N A049022 Recurring combinations: a(n) = C(a(n-1),a(n-2)).
%Y A049022 Sequence in context: A077639 A039791 A127679 this_sequence A136033 A099315 
               A005179
%Y A049022 Adjacent sequences: A049019 A049020 A049021 this_sequence A049023 A049024 
               A049025
%K A049022 nonn,nice,easy
%O A049022 0,1
%A A049022 Floor van Lamoen (fvlamoen(AT)hotmail.com)