A209085 a(n) is the next larger than A208982(n) number with mutual Hamming distance 1.

3, 3, 7, 5, 7, 7, 11, 11, 13, 31, 17, 19, 19, 23, 23, 23, 31, 31, 29, 31, 31, 37, 47, 41, 43, 43, 47, 47, 47, 53, 59, 59, 61, 127, 67, 67, 71, 71, 71, 79, 73, 79, 79, 79, 83, 83, 89, 127, 97, 103, 101, 103, 103, 107, 107, 109, 127, 113, 127, 127, 127, 127

Offset: 1

Author

Vladimir Shevelev, Mar 05 2012

Keywords

• nonn
• base

Comments

All terms are prime by construction of A208982, and prime p occurs k times iff 2^k||p+1. In particular, every prime of the form 4*k+1 occurs 1 time. Thus all odd primes are in the sequence.

Examples

			Since 2^4 divides 48, but 2^5 not divides, i.e., 2^4||48, then 47 occurs four times.
		

Crossrefs

Cf. A206853, A208982.