A095828 Smoothed lengths of the B blocks in analysis of A090822.

1, 3, 9, 19, 46, 93, 189, 379, 782, 1565, 3133, 6267, 12542, 25085, 50173, 100347, 200761, 401523, 803049, 1606099, 3212206, 6424413, 12848829, 25697659, 51395342, 102790685, 205581373, 411162747, 822325502, 1644651005, 3289302013, 6578604027, 13157208249

Offset

1,2

Links

Table of n, a(n) for n=1..33.

F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence, J. Integer Sequences, Vol. 10 (2007), #07.1.2.

F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence [pdf, ps].

Index entries for sequences related to Gijswijt's sequence

Formula

a(1) = 1; for n > 1, a(n+1) = 2*a(n) + A091839(n).

This roughly doubles at each step and a(n) -> 1.5317006328915480... * 2^n.

Crossrefs

Cf. A090822, A091839, A091411.

Sequence in context: A348377 A147334 A147463 * A028377 A147439 A091411

Adjacent sequences: A095825 A095826 A095827 * A095829 A095830 A095831

Keyword

nonn

Author

N. J. A. Sloane, Jul 10 2004

Status

approved