A026075 a(n) = T(4n,n), where T is the array defined in A024996.

1, 2, 23, 230, 2395, 25518, 276298, 3026790, 33452225, 372278104, 4165976594, 46831604742, 528454140310, 5982318103300, 67908970800315, 772718361911646, 8810943692302959, 100652401936330376, 1151695085791305180, 13197378357577994370

Offset

0,2

Links

Table of n, a(n) for n=0..19.

Crossrefs

Sequence in context: A252016 A037750 A037631 * A037757 A037645 A100893

Adjacent sequences: A026072 A026073 A026074 * A026076 A026077 A026078

Keyword

nonn

Author

Clark Kimberling

Status

approved