18344

Appears in sequences

• 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 67.at n=38A031565
• A hierarchical sequence (S(W2{3}*) - see A059126).at n=9A059142
• Numbers k such that k*2^m-1 are composites for all exponents m in the range 0<=m<=k.at n=35A061154
• Number of days after Mar 01 00 such that the date written the format MMDDYY (American standard, short) is palindromic.at n=15A210894
• Number of (n+1) X (n+1) 0..2 arrays with the upper median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=6A237629
• Number of (n+1)X(7+1) 0..2 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=6A237636
• Number of partitions of n where the difference between consecutive parts is at most 9.at n=37A238869
• Number of partitions of n such that m(2) > m(3), where m = multiplicity.at n=40A240065
• Number of partitions of n such that the number of parts or the number of distinct parts is a part.at n=40A241381
• Number of n X 7 0..1 arrays with every element equal to 1, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.at n=17A298923
• a(0) = a(1) = 1; a(n) = a(n-1) + a(n-2) + Sum_{k=0..n-1} a(k) * a(n-k-1).at n=8A307733
• Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. (1 - (k-1)*log(1 + x))/(1 - k*log(1 + x)).at n=50A334369