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Record gaps between odd squarefree semiprimes (A046388).
5

%I #15 Mar 01 2024 01:45:40

%S 6,12,16,20,22,24,26,28,32,36,38,40,44,50,52,60,64,70,74,84,90,92,100,

%T 102,116,118,120,132,136,138,140,142,146,152,154,156,164,170,184,186,

%U 210

%N Record gaps between odd squarefree semiprimes (A046388).

%H Lucas A. Brown, <a href="https://github.com/lucasaugustus/oeis/blob/main/A349995.py">Python program</a>.

%e n A350098(n) A350099(n) a(n)

%e 1 15 21 6

%e 2 21 33 12

%e 3 95 111 16

%e 4 267 287 20

%e 5 2369 2391 22

%Y Records in A341828.

%Y Cf. A350098 lower ends of the record gaps, A350099 upper ends of the record gaps.

%Y Cf. A000101, A002386, A005250, A085809, A114057.

%K nonn,hard,more

%O 1,1

%A _Hugo Pfoertner_, Dec 25 2021

%E a(35)-a(41) from _Lucas A. Brown_, Feb 29 2024