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Table of n, a(n) for n=1..48.
3 is here because 5, 7 and 11 are primes; 5 is here because 7, 11 and 13 are primes.
A031926, A023202, A049437, A049438, A046134, A046138, A007530.
Sequence in context: A106901 A154550 A023202 * A117010 A056874 A109927
Adjacent sequences: A049433 A049434 A049435 * A049437 A049438 A049439