49996

Appears in sequences

• 4-almost primes with semiprime digits (digits 4, 6, 9 only).at n=33A111496
• Triangle of column sequences with a certain o.g.f. pattern.at n=47A112500
• Third column of triangle A112500.at n=7A112502
• Indices n == 1 (mod 9) such that the 3 X 3 matrix with components (row by row) prime(n+k), 0 <= k <= 8, has zero determinant.at n=4A117359
• Number of Frobenius equivalence classes of size n over GF(2^n) with their trace equal to the trace of their inverse.at n=19A137503
• a(n) is the least number such that k = n*a(n) has sum of digits n and ends with the digit string n, or 0 if no such number exists.at n=39A175690
• Number of partitions p of n such that the multiplicity of the median of p is a part of p.at n=48A240492
• Least number k such that 3^k ends in exactly n consecutive decreasing digits.at n=5A244655
• Number of meanders of length n with Motzkin-steps avoiding the consecutive steps UU.at n=13A329672