19099

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^(-k^3).at n=8A023872
• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 29 ones.at n=4A031797
• Highest proper factor of n!+1.at n=9A056111
• Starting positions of strings of three 2's in the decimal expansion of Pi.at n=25A083606
• Members of A038512 of the form k, k+2, k+6, k+8.at n=27A155511
• Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+2x+3y>1.at n=17A211622
• a(n) is the minimal odd evil k, such that k^i, i=1,2,...,n, all are evil, and a(n)=0, if there is no such k.at n=11A230495
• Composites c for which an integer 1 < k < c exists such that (c-k)! == -1 (mod c).at n=34A256519
• Number of nX6 0..1 arrays with every element unequal to 0, 1, 3, 4 or 7 king-move adjacent elements, with upper left element zero.at n=8A304853
• a(n) is the least number k such that {k, k^2, ..., k^n} are all evil numbers (A001969), but k^(n+1) is not.at n=11A345398