A083073 A subdiagonal of number array A083064.

1, 5, 41, 439, 5741, 88889, 1594405, 32574371, 747753161, 19071735493, 535461077009, 16419373641455, 546208347402901, 19598084579455217, 754617425461612781, 31043368421052631579, 1359040255729886061905

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Formula

a(n) = ((n+3)*(n+5)^n + 1)/(n+4).

Crossrefs

Cf. A083072, A083071, A083069.

Sequence in context: A140095 A259609 A323213 * A115257 A225095 A302100

Adjacent sequences: A083070 A083071 A083072 * A083074 A083075 A083076

Keyword

easy,nonn

Author

Paul Barry, Apr 21 2003

Status

approved