21822

Appears in sequences

• Number of simplicial 3-clusters with n cells.at n=9A007173
• Triangle read by rows: number of P-graphs by number of edges and number of non-root nodes.at n=33A011268
• Every prefix prime in base 9 (written in base 9).at n=40A024769
• Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 98.at n=39A031596
• a(n) = floor(n^3 / e).at n=39A032636
• Numbers n such that 54 'Reverse and Add' steps are needed to reach a palindrome.at n=5A065321
• Numbers k such that (47*10^k + 403)/9 is prime.at n=20A285570
• Consecutive states of the linear congruential pseudo-random number generator 171*s mod 30269 when started at s=1.at n=26A385031