31373

Appears in sequences

• Number of inequivalent planar partitions of n, when considering them as 3D objects.at n=22A000786
• a(n) = ceiling(n*phi^15), where phi is the golden ratio, A001622.at n=23A004970
• Smallest number with exactly n prime substrings.at n=13A035244
• Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 13.at n=31A051978
• Record values in A079300 (number of shortest addition chains of n).at n=15A118387
• Numbers such that, in base 10, all their proper prefixes and suffixes represent primes.at n=40A254751
• Composite numbers with only prime proper prefixes and suffixes in base 10.at n=30A254753
• MM-numbers of crossing, capturing multiset partitions (with empty parts allowed).at n=14A326259
• a(n) is the first number whose digit sequence can be partitioned into primes in exactly n ways.at n=10A340296
• Numbers k such that k and k+4 are consecutive cubefree numbers.at n=12A349235