A027169 a(n) = self-convolution of row n of array T given by A027157.

4, 33, 128, 976, 4032, 30576, 129024, 976896, 4188160, 31728128, 137478144, 1042407424, 4552310784, 34549346304, 151786618880, 1152969736192, 5089355366400, 38688841924608, 171431270809600, 1304107929305088

Offset

0,1

Links

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

Crossrefs

Sequence in context: A066645 A295939 A297515 * A152041 A041027 A362820

Adjacent sequences: A027166 A027167 A027168 * A027170 A027171 A027172

Keyword

nonn

Author

Clark Kimberling

Status

approved