A172740 Number of n X 4 0..3 arrays with row sums 4 and column sums n

1, 19, 415, 8515, 194851, 4705381, 117546409, 3017084995, 79089365395, 2108358849529, 56983034209069, 1557850709802421, 43004935312603525, 1197072354214287955, 33562172767661519455, 946925090316795061315

Offset

1,2

Links

R. H. Hardin, Table of n, a(n) for n=1..99

Crossrefs

Sequence in context: A015694 A099277 A252927 * A172816 A202040 A244765

Adjacent sequences: A172737 A172738 A172739 * A172741 A172742 A172743

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved