A036383 First differences of odd split numbers (A036382).

12, 2, 4, 26, 4, 6, 2, 10, 4, 2, 12, 24, 4, 2, 6, 2, 2, 2, 8, 4, 2, 4, 10, 2, 6, 6, 6, 8, 14, 42, 2, 4, 2, 6, 2, 4, 6, 2, 4, 4, 2, 2, 2, 2, 2, 4, 6, 4, 2, 4, 2, 2, 10, 2, 4, 6, 6, 6, 8, 4, 2, 4, 4, 14, 4, 10, 14, 8, 30, 48, 2, 2, 2, 6, 2, 4, 2, 2, 2, 2, 4, 2, 4, 2, 2, 2, 4, 2, 4, 2, 6, 2, 4, 2, 2, 2, 4, 2

Offset

1,1

Comments

The large local maxima are near powers of 2. Compare the differences of connected numbers (A036379).

Densities of connected (A029827) and split (A036382) numbers seem to behave in opposite way: where connected are dense, split ones are rare and vice versa.

Links

Table of n, a(n) for n=1..98.

Example

177, 183, 189, 195, 203, 217, 259, 261 are successive odd split numbers, so their sequence of first differences is 6, 6, 6, 8, 14, 42, 2.

Crossrefs

Cf. A029837, A036378-A036390.

Sequence in context: A040142 A169855 A054383 * A107832 A322521 A099136

Adjacent sequences: A036380 A036381 A036382 * A036384 A036385 A036386

Keyword

nonn

Author

Labos Elemer

Status

approved