A114020 a(n) = a(n-1)! + a(n-2)! with a(0) = 0, a(1) = 1.

0, 1, 2, 3, 8, 40326

Offset

0,3

Comments

a(6) is too large to include.

Essentially a duplicate of A005604.

Links

Table of n, a(n) for n=0..5.

Example

a(5) = a(4)! + a(3)! = 8! + 3! = 40320 + 6 = 40326.

Crossrefs

Cf. A000045, A005604.

Sequence in context: A285088 A075849 A005604 * A011163 A155983 A201407

Adjacent sequences: A114017 A114018 A114019 * A114021 A114022 A114023

Keyword

nonn

Author

Parthasarathy Nambi, Jan 31 2006

Status

approved