A140554 First differences of A066841.

1, 1, 13, -11, 427, -425, 2041, -1805, 7757, -7989, 143327221, -143327219, 87795, 367817, 66653239, -67108847, 117546246127, -117546246125, 1310719999981, -1310704247039, -10301185, -5451753, 252428641478023053289, -252428641478022975187, 35917523

Offset

1,3

Links

Table of n, a(n) for n=1..25.

Crossrefs

Sequence in context: A196121 A298893 A083229 * A356978 A022969 A023455

Adjacent sequences: A140551 A140552 A140553 * A140555 A140556 A140557

Keyword

sign

Author

N. J. A. Sloane, Sep 07 2009

Status

approved