101501

Properties

Appears in sequences

• The number phi_2(n) of Frobenius partitions that allow up to 2 repetitions of an integer in a row.at n=34A053993
• Primes arising in A099678.at n=3A100502
• Primes which remain prime after reflection across a vertical line through the middle of the number (numbers are written as digital clock style numerals).at n=19A178318
• Primes in A182040.at n=18A182092
• Primes having only {0, 1, 5} as digits.at n=35A199325
• Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=34A240756
• Numbers of words on {0,1,2,3,4,5} having no isolated zeros.at n=7A255815
• Lesser of twin primes for which phi(p-1) < phi(p+1).at n=22A286715
• Number of integer partitions of n of length > 2 whose second differences have median 0.at n=47A360682
• Prime numbersat n=9720