44440

Appears in sequences

• G.f. is 1 - 1/f(x), where f(x) = 1+x+3*x^2+9*x^3+32*x^4+... is 1/x times g.f. for A063020.at n=9A007858
• Numbers having four 4's in base 10.at n=16A043508
• Sum of squares of entries of Wilkinson's eigenvalue test matrix of order 2n+1.at n=40A059834
• Numbers whose decimal expansion contains only 0's and 4's.at n=30A169967
• Numbers n = x0 x1 x2...x9 such that xi is the number of digits greater than i in n.at n=40A226195
• Number of partitions of n such that (greatest part) + (least part) < number of parts.at n=45A237822
• a(0) = 0, a(n) = previous term + repunit of length of previous term for n > 0.at n=40A247107
• Sum of the perimeters of all regions of the n-th section of a modular table of partitions.at n=30A278602
• Numbers n such that 13^n is the highest power of 13 dividing A240751(n).at n=19A286007
• Number of integer partitions of n such that the least and greatest parts are both even or both odd.at n=44A391225