A112440 Next term is the sum of the last 10 digits in the sequence, beginning with a(10) = 9.

0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 9, 18, 27, 36, 45, 54, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45

Offset

1,10

Comments

Variation on Angelini's A112395. The sequence cycles at a(17)=45 and the loop has one term. Computed by Gilles Sadowski.

Links

Table of n, a(n) for n=1..39.

Example

a(17)=45 because 1+8 + 2+7 + 3+6 + 4+5 + 5+4 = 45

Crossrefs

Cf. A112395, A004207, A065075, A001370.

Sequence in context: A168419 A309463 A242892 * A022092 A245430 A161365

Adjacent sequences: A112437 A112438 A112439 * A112441 A112442 A112443

Keyword

base,easy,nonn

Author

Alexandre Wajnberg, Dec 11 2005

Status

approved