A248140 - OEIS

A248140

Consider the partition of the consecutive odious numbers (A000069) into minimal blocks such that concatenation of numbers in each block is an evil number (A001969). Sequence gives the number of odious numbers in each block.

2, 7, 3, 2, 3, 3, 4, 5, 5, 2, 2, 2, 4, 2, 2, 2, 2, 2, 3, 5, 2, 4, 3, 4, 2, 3, 3, 3, 3, 3, 3, 4, 9, 2, 2, 2, 2, 7, 5, 3, 2, 3, 2, 4, 4, 4, 2, 3, 4, 2, 3, 4, 3, 4, 2, 2, 3, 2, 2, 2, 9, 2, 5, 2, 5, 4, 4, 2, 4, 4, 2, 3, 3, 8, 3, 2, 2, 3, 2, 3, 2, 2, 2, 4, 2, 4, 3

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OFFSET

1,1

COMMENTS

The blocks of consecutive odious numbers of the partition are

1,2| 4,7,8,11,13,14,16| 19,21,22|25,26| 28,31,32| 35,37,38| 41,42,44,47| 49,50,52,55,56| 59,61,62,64,67| 69,70| 73,74| 76,79|, etc.

LINKS

Table of n, a(n) for n=1..87.

CROSSREFS

Cf. A000069, A001969, A248138, A248145, A248146.

Sequence in context: A090388 A361694 A021370 * A088538 A210516 A257102

Adjacent sequences: A248137 A248138 A248139 * A248141 A248142 A248143

KEYWORD

nonn

AUTHOR

Vladimir Shevelev and Peter J. C. Moses, Oct 02 2014

STATUS

approved