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A155480 Composites n with identical largest digits of n and n-th prime. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
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
Sequence in context: A240823 A226734 A162931 * A230720 A053751 A063311
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Corrected (190 replaced by 290) by R. J. Mathar, May 10 2010
STATUS
approved

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Last modified May 25 10:09 EDT 2024. Contains 372786 sequences. (Running on oeis4.)