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A038530
Concatenate n-th prime and n-th composite.
3
24, 36, 58, 79, 1110, 1312, 1714, 1915, 2316, 2918, 3120, 3721, 4122, 4324, 4725, 5326, 5927, 6128, 6730, 7132, 7333, 7934, 8335, 8936, 9738, 10139, 10340, 10742, 10944, 11345, 12746, 13148, 13749, 13950, 14951, 15152, 15754, 16355, 16756
OFFSET
1,1
CROSSREFS
For primes see A038531.
Sequence in context: A003176 A003138 A003177 * A262428 A281925 A261022
KEYWORD
nonn,base
AUTHOR
Vasiliy Danilov (danilovv(AT)usa.net), Jul 14 1998
STATUS
approved