A173167 Values n such that n and n+1 are both in A037073.

1, 7, 14, 99, 162, 252, 330, 376, 750, 966, 1022, 1079, 1637, 2156, 2288, 2352, 3389, 4530, 4633, 4975, 5514, 6125, 6126, 6622, 6938, 7215, 7489, 8182, 8252, 8293, 10528, 10837, 11332

Offset: 1

Author

Juri-Stepan Gerasimov, Feb 11 2010

Keywords

• nonn

Examples

			a(1)=1 because 18*(A037073(1)+1/2-1/2)^2-1=17=prime, 18*(A037073(1)+1/2-1/2)^2+1=19=prime, 18*(A037073(1)+1/2+1/2)^2-1=71=prime and 18*(A037073(1)+1/1+1/2)^2+1=73=prime.
		

Crossrefs

Cf. A037073.

Extensions

Definition corrected and sequence extended beyond a(8) by R. J. Mathar, Mar 09 2010