A056099 First differences of A025488 (binary order for least prime signatures).

1, 1, 1, 2, 2, 3, 4, 4, 7, 7, 8, 11, 12, 17, 18, 21, 26, 28, 34, 41, 44, 54, 58, 69, 79, 87, 103, 113, 129, 145, 160, 188, 204, 231, 258, 282, 319, 350, 393, 437, 475, 529, 581, 646, 716, 776, 861, 935, 1030, 1133, 1236, 1358, 1476, 1605, 1763, 1904, 2089, 2267, 2460

Offset: 0

Author

Alford Arnold, Jul 29 2000

Keywords

• easy
• nonn

Comments

a(n) counts entries of A025487 starting a new row after each power of two.

Links

• Ray Chandler, Table of n, a(n) for n = 0..182 (first 151 terms from T. D. Noe)

Crossrefs

Cf. A025487, A025488.

Extensions

More terms from Sascha Kurz, Mar 25 2002

Extended by Ray Chandler, Aug 11 2010