A155480 Composites n with identical largest digits of n and n-th prime.

14, 30, 32, 54, 56, 74, 92, 94, 95, 116, 138, 148, 159, 169, 189, 196, 208, 209, 213, 217, 224, 245, 247, 249, 261, 270, 272, 273, 275, 280, 282, 284, 285, 286, 287, 288, 289, 290, 291, 292, 294, 295, 296, 297, 298, 299, 309, 321, 324, 325, 326, 330, 334, 335

Offset: 1

Author

Juri-Stepan Gerasimov, Jan 23 2009

Keywords

• nonn
• base

Examples

			If n=14=composite and 43=prime(14), then 1<4=4>3 and 14=a(1). If n=30=composite and 113=prime(30), then 0<3=3>1=1 and 30=a(2). If n=32=composite and 131=prime(32), then 2<3=3>1=1 and 32=a(3), etc.
		

Crossrefs

Cf. A000027, A000040.

Extensions

Corrected (190 replaced by 290) by R. J. Mathar, May 10 2010