1,6

a(n) = A159796(n+1)/4.

Cf. A139250, A153000, A159786, A159789, A159796.

Sequence in context: A002208 A100653 A121021 this_sequence A049470 A153106 A021189

Adjacent sequences: A159796 A159797 A159798 this_sequence A159800 A159801 A159802

more,nonn

Omar E. Pol (info(AT)polprimos.com), Jun 13 2009