A178302 Multiply the irregular Array A125108 by A178300;compute a(n)the vertical sums.

1, 4, 19, 104, 601, 3622

Offset

1,2

Comments

The row sums resulting from the defined multiplication yields A038675.

A178301 is a triangular sub-array of A178300 times A125108

since A007318 is a sub-array of A125108.

Links

Table of n, a(n) for n=1..6.

Example

A125108(7) = 2 and appears on row five of A125108 so
A178300(5) times A125108(7) is 4*2 =8.
As a cross-check, note that A178301 = 1,4,19,96,...
and with the additional 8 in column 4 we have a(n) = 1,4,19,104,...

Crossrefs

Cf. A038675 A125108 A178300 A178301

Sequence in context: A110531 A367808 A276975 * A292098 A186997 A367239

Adjacent sequences: A178299 A178300 A178301 * A178303 A178304 A178305

Keyword

nonn,uned

Author

Alford Arnold, May 30 2010

Status

approved