19929

Appears in sequences

• a(n+1) = a(n) converted to base 9 from base 4 (written in base 10).at n=5A023377
• 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 94.at n=36A031592
• Base-9 palindromes that start with 3.at n=23A043030
• McKay-Thompson series of class 40A for Monster.at n=51A058662
• a(n) = sigma_3(n^3)/sigma(n^3).at n=5A077454
• Integers k such that nextprime(k^5) - prevprime(k^5) = 4.at n=17A090123
• A110404(k)/k where k is the corresponding number == 1,3,7 or 9 (mod 10).at n=14A110405
• Table of Encoded Bell Multisets using A064553 (cf. A129305).at n=26A130274
• T(n,k)=number of nXk binary matrices with floor((n*k)/2) 1's and rows in lexicographically nondecreasing order and columns in strictly increasing order.at n=50A180983
• Numbers n such that (n^6 + 1091)/4 is prime.at n=11A181112
• Triangle of coefficients of polynomials v(n,x) jointly generated with A210751; see the Formula section.at n=53A210752
• Number of (w,x,y) with all terms in {0,...,n} and w<=x+y and x<=y.at n=35A212983
• G.f.: (1+8*x+22*x^2+8*x^3+x^4)/(1-x)^6.at n=8A220892
• Number of length 2+3 0..n arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth.at n=19A248539
• Palindromic numbers in bases 2 and 9 written in base 10.at n=12A259385
• Degeneracies of entanglement witness eigenstates for n spin 4 irreducible representations.at n=8A272393
• Number of n X 2 0..1 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly one mistake.at n=12A278670
• Varma's Kosta numbers of semi-standard tableaux: array A(n>=2, k>=0) read by rising antidiagonals.at n=59A348210
• Triangle read by rows. The incomplete Bell transform of the Catalan numbers.at n=50A352366