A038530 Concatenate n-th prime and n-th composite.

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

Author

Vasiliy Danilov (danilovv(AT)usa.net), Jul 14 1998

Keywords

• nonn
• base

Crossrefs

For primes see A038531.