A280730 Partial sums of A278742.

1, 3, 6, 16, 27, 39, 59, 89, 189, 299, 499, 799, 1799, 2899, 4899, 6999, 9999, 19999, 39999, 69999, 169999, 279999, 399999, 599999, 899999, 1899999, 2999999, 4999999, 7999999, 17999999, 28999999, 48999999, 69999999, 99999999, 199999999, 399999999, 699999999

Offset

1,2

Links

Table of n, a(n) for n=1..37.

Crossrefs

Cf. A278742.

Sequence in context: A127935 A144538 A130596 * A339848 A321409 A151954

Adjacent sequences: A280727 A280728 A280729 * A280731 A280732 A280733

Keyword

nonn,base

Author

N. J. A. Sloane, Jan 09 2017

Status

approved