A121909 S-D transform of factorial numbers A000142.

1, 2, 3, 10, 29, 162, 799

Offset

0,2

Links

Table of n, a(n) for n=0..6.

Formula

a(n)=Sum{k, 0<=k<=n}A051159(n,k)*A000142(k).

Example

Row 1 : 1, 1, 2, 6, 24, 120, ...(A000142)
Row 2 : 1+1=2, 2-1=1, 6+2=8, 24-6=18, 120+24=144, ...
Row 3 : 1+2=3, 9-1=7, 18+8=26, 144-18=126, ...
Row 4 : 7+3=10, 26-7=19, 126+26=152, ...
Row 5 : 19+10=29, 152-19=133, ...
Row 6 : 133+29=162, ...
First term of each row form this sequence.

Crossrefs

Sequence in context: A286814 A371607 A338583 * A153909 A319189 A301971

Adjacent sequences: A121906 A121907 A121908 * A121910 A121911 A121912

Keyword

nonn

Author

Philippe Deléham, Sep 01 2006

Status

approved