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

1,2

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,...

Links

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

Example

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

Crossrefs

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

Sequence in context: A329714 A034086 A277079 * A051050 A267198 A267140

Adjacent sequences: A248474 A248475 A248476 * A248478 A248479 A248480

Keyword

nonn,base

Author

Vladimir Shevelev, Oct 07 2014

Extensions

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

Status

approved