A114174 Central terms of triangle A114172 found in even-indexed rows.

1, 3, 16, 95, 601, 3951, 26650, 183043, 1274080, 8959268, 63512890, 453227590, 3252065077, 23443729683, 169680654790, 1232381601759, 8977925594880, 65579423363511, 480162707557696, 3523121247341469, 25899477669429042

Offset

0,2

Links

Table of n, a(n) for n=0..20.

Crossrefs

Cf. A114172, A114173 (row sums), A114175 (row sums-square).

Sequence in context: A323968 A074555 A137644 * A181067 A006347 A000270

Adjacent sequences: A114171 A114172 A114173 * A114175 A114176 A114177

Keyword

nonn

Author

Paul D. Hanna, Nov 15 2005

Status

approved