1,2

a(2)=A027424(2)

a(3)=A027425(3)

a(4)=A100437(4)

Cf. A027424, A027425, A100437.

Sequence in context: A026950 A095052 A131433 this_sequence A098702 A100001 A110158

Adjacent sequences: A110710 A110711 A110712 this_sequence A110714 A110715 A110716

nonn

Jonas Wallgren (jonwa(AT)ida.liu.se), Sep 15 2005