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

Author

N. J. A. Sloane, Jul 10 2004

Keywords

• nonn

Links

• 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

Crossrefs

Cf. A090822, A091839, A091411.

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.