72697

Appears in sequences

• Initial terms associated with the arithmetic progressions in A086786.at n=18A087308
• Initial terms associated with the arithmetic progressions in A086786.at n=19A087308
• Initial terms associated with the arithmetic progressions in A086786.at n=20A087308
• Leading entries in triangle in A090548 and A113470.at n=18A090547
• Leading entries in triangle in A090548 and A113470.at n=19A090547
• Leading entries in triangle in A090548 and A113470.at n=20A090547
• Numbers k such that 12*3^k + 1 is prime.at n=17A216889
• Smallest semiprime (A001358) which is at the beginning of an arithmetic progression of n semiprimes whose largest term is as small as possible.at n=18A226834
• Smallest semiprime (A001358) which is at the beginning of an arithmetic progression of n semiprimes whose largest term is as small as possible.at n=19A226834
• Smallest semiprime (A001358) which is at the beginning of an arithmetic progression of n semiprimes whose largest term is as small as possible.at n=20A226834
• Number of set partitions of [n] such that j is member of block b only if b = 1 or at least one of j-1, j-2 is member of a block >= b-1.at n=10A275605