19038

Appears in sequences

• Numerators of continued fraction convergents to sqrt(46).at n=10A041078
• a(n) = (sum of first n primes)^2 + sum of (squares of first n primes).at n=9A065762
• Group successively larger prime numbers so that the sum of the n-th group is a multiple of n. Sequence gives the sum for each group.at n=18A074128
• Multiples of 19 containing a 19 in their decimal representation.at n=32A121039
• Expansion of (sqrt(1+2x+9x^2)+x-1)/(2x).at n=18A125695
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0,0) and consisting of n steps taken from {(-1, -1), (-1, 0), (0, 1), (1, -1), (1, 0)}.at n=8A151287
• a(n) = 36*n^2 - 6.at n=22A158462
• a(n) = Sum_{k=0..n} A109613(k)*A005843(n-k).at n=38A171218
• The number of binary pattern classes in the (2,n)-rectangular grid with 3 '1's and (2n-3) '0's: two patterns are in same class if one of them can be obtained by a reflection or 180-degree rotation of the other.at n=39A225972
• Expansion of a(x^2) / f(-x) in powers of x where a() is a cubic AGM theta function and f() is a Ramanujan theta function.at n=26A261454
• Least number x such that x^n has n digits equal to k. Case k=4.at n=19A285451