41571

Appears in sequences

• Numerators of continued fraction convergents to sqrt(151).at n=9A041276
• Second member of a pair of numbers occurring in the definition of 2-happy couples.at n=45A191863
• Positive fundamental solution x(n) of the generalized Pell equation X^2 - D(n) Y(n) = 2 with D(n) = A261246(n).at n=17A261247
• Second member U0(n) of the smallest positive pair (T0(n), U0(n)) for the n-th 2-happy number couple (D(n), E(n)).at n=44A263009
• a(n) is the sum of a sequence of multiples of the n-th prime such that it contains each of the digits from 0 to 9 exactly once and with the least sum possible, or 0 if there is no satisfying sequence.at n=34A274328
• P-positions for the subtraction game whose allowed moves are the practical numbers (A005153).at n=41A275432
• x-value of the smallest solution to x^2 - p*y^2 = 2*(-1)^((p+1)/4), p = A002145(n).at n=18A306529
• Incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = 2, where D is a prime number.at n=7A336787
• Number of ways to choose a sequence of integer partitions, one of each part of an integer partition of n into odd parts.at n=20A358825
• Number of 3-dimensional tilings of a 2 X 2 X n box using 1 X 1 X 1 cubes, 2 X 1 X 1 dominos and 2 X 2 X 1 plates.at n=4A360575