A248477 Consider the partition of the positive odd integers into minimal blocks such that concatenation of numbers in each block is an odious number (A000069). Sequence lists the odious numbers obtained in this way.

1, 35, 7, 911, 13, 15171921, 2325, 272931, 333537, 39414345474951, 53555759, 61, 63656769, 7173, 75777981, 838587, 8991939597, 99101103, 105107, 109, 111113, 115, 117, 119121123125127129131, 133, 135137, 139141, 143, 145, 147149, 151, 153155157, 159161

Offset: 1

Author

Vladimir Shevelev, Oct 07 2014

Keywords

• nonn
• base

Comments

The numbers of the consecutive positive odd integers over blocks of the partition are 1,2,1,2,1,4,2,3,3,7,4,1,4,2,4,3,5,3,2,1,...

Examples

			a(4)=911, since 9 is evil number, while 911 is odious.
		

Links

• Peter J. C. Moses, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A000069, A001969, A248009, A248138, A148140, A248171, A248172.

Extensions

More terms from Peter J. C. Moses, Oct 08 2014