A101173 First differences of sequence defined in A101172. Also, the Mobius transform of that sequence.

1, 1, 2, 3, 7, 11, 25, 46, 94, 182, 372, 727, 1471, 2916, 5849, 11657, 23364, 46620, 93348, 186503, 373172, 745998, 1492369, 2983948, 5968679, 11935893, 23873162, 47743475, 95489895, 190973738, 381953528, 763895349, 1527802031, 3055581071, 6111185475

Offset: 1

Author

Mark Hudson (mrmarkhudson(AT)hotmail.com), Dec 03 2004

Keywords

• easy
• nonn

Comments

The inverse Mobius transform of this sequence is equal to the sequence A101172.

Row sums of A155033. [Mats Granvik, Jan 19 2009]

Crossrefs

Cf. A101172, A155033.

Extensions

More terms from Emeric Deutsch, Mar 08 2005

a(32) onward corrected by Sean A. Irvine, May 01 2025