A083057 A fractal sequence.

2, 3, 3, 2, 0, 0, -1, 0, 0, -1, 0, 0, 2, 3, 6, 8, 9, 12, 14, 18, 21, 23, 24, 24, 26, 27, 30, 32, 33, 33, 32, 33, 33, 35, 36, 36, 38, 39, 42, 44, 45, 45, 44, 45, 45, 47, 48, 48, 47, 45, 45, 44, 45, 45, 44, 42, 39, 38, 36, 36, 35, 33, 33, 32, 33, 33, 32, 30, 27, 26, 24, 24, 23, 21, 18, 14, 12, 9, 8, 6, 3, 2, 0, 0, -1, 0, 0, -1, 0, 0, 2, 3, 3, 2, 0

Offset

1,1

Links

Table of n, a(n) for n=1..95.

Boris Gourevitch, Graph of A083057

Formula

a(n)=sum(k=1, n, A083056(k))

Crossrefs

Cf. A083038, A083054, A083055, A083056.

Sequence in context: A329430 A188886 A131012 * A099028 A357521 A279645

Adjacent sequences: A083054 A083055 A083056 * A083058 A083059 A083060

Keyword

sign

Author

Benoit Cloitre, Apr 18 2003

Status

approved