19383

Appears in sequences

• Coefficient of x^6 in expansion of (1+x+x^2)^n.at n=11A005714
• T(2n,n-1), T given by A027907.at n=6A027909
• Values of A038005 ending in 3.at n=26A038013
• Partial sums of A002419.at n=12A051843
• Total number of parts which are positive powers of 2 in all partitions of n.at n=30A073119
• Number of n X n binary arrays symmetric about main diagonal with all ones connected only in a 1010-1111-0101 pattern in any orientation.at n=12A147431
• Row sums of A154685.at n=25A151675
• Records in A071786.at n=42A151766
• Numbers n such that n^6 + 272 is prime.at n=25A161998
• Least number k > 0 such that 2^k contains an n-digit long substring of the infinite string "98765432109876543210987654...".at n=8A243303
• Irregular triangle read by rows: T(n,m) = number of lattice paths of type {A^H}_R terminating at point (n, m).at n=57A291080
• Integers that concatenate 3 counts: the number of terms in the sequence so far, the number of primes in the sequence so far, the number of digits in the sequence so far, with a(1)= 113. The sequence is always extended with the smallest available integer not leading to a contradiction or a dead end.at n=18A309617