42648

Appears in sequences

• cos(arctan(x)+sin(x))=1-4/2!*x^2+40/4!*x^4-934/6!*x^6+42648/8!*x^8...at n=4A012977
• exp(arctanh(x)+sinh(x))=1+2*x+4/2!*x^2+11/3!*x^3+40/4!*x^4+177/5!*x^5...at n=8A013182
• Numbers k such that the decimal part of k^(1/9) starts with a 'nine digits' anagram.at n=11A034284
• a(n) = 3*n^3 + 2*n^2 + n.at n=24A067389
• a(n) is the floor of the average of the 1st moment of all previous entries.at n=19A092483
• Number of n-leaf binary trees that do not contain (()(()(()((()())())))) as a subtree.at n=11A159768
• Sum of median parts of all partitions of n into an odd number of parts.at n=39A211373
• Numbers m such that for some power k, m is the sum of d + d^k as d runs through the digits of m.at n=9A257768
• Number of regions into which a figure made up of a row of n adjacent congruent rectangles is divided upon drawing diagonals of all possible rectangles (a(0)=0 by convention).at n=22A306302