A080066 First differences of A000966 (number of zeros that n! will never end in).

6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 1, 6, 6, 6, 6, 6, 1, 6, 6, 6, 6, 6, 1, 6

Offset

1,1

Comments

All terms in this sequence are either 1 or 6. - Charles R Greathouse IV, Jan 30 2023

Links

Table of n, a(n) for n=1..105.

Example

e.g. A000966(5)=29, A000966(4)=23, so a(4)=29-23=6.

Crossrefs

a(n)=A000966(n+1)-A000966(n)

Cf. A000142, A027868.

Sequence in context: A248093 A361006 A292091 * A144539 A326345 A090143

Adjacent sequences: A080063 A080064 A080065 * A080067 A080068 A080069

Keyword

base,nonn

Author

Mark Hudson (mrmarkhudson(AT)hotmail.com), Jan 24 2003

Extensions

More terms from Sascha Kurz, Jan 27 2003

Status

approved