622080

Appears in sequences

• Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*12^j.at n=18A038266
• Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*12^j.at n=19A038266
• Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*6^j.at n=16A038332
• Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*6^j.at n=17A038332
• Value of phi in arithmetic progression of at least 5 terms having the same value of phi in A050515.at n=14A050517
• Values of phi in arithmetic progression of at least 6 terms having the same value of phi in A050518.at n=3A050520
• Sum of divisors of k such that k and k+1 have the same number and sum of divisors.at n=12A054005
• Triangle T(n,k), n >= 2, n+1 <= k <= 2*n-1, number of permutations p of 1,...,n, with max(p(i)+p(i-1), i=2..n) = k.at n=41A064484
• Augmentation of the triangular array P=A094727 given by p(n,k)=n+k+1 for 0<=k<=n. See Comments.at n=30A193093
• (n-1)-st elementary symmetric function of {2, 3, 3, 4, 4, 5, 5,...,Floor[(n+4)/2]}.at n=8A203154
• Numbers that divide the product of the nonzero digits (in base 10) of their square.at n=44A218013
• A multiplicative encoding (base-2 compressed) for the exponents of 3 obtained when using Shevelev's algorithm for computing A053446.at n=31A293445
• Base-6 complementary numbers: n equals the product of the 6 complement (6-d) of its base-6 digits d.at n=19A298976
• Numbers m such that K(m)/m > K(j)/j for all j < m, where K(m) is the Kalmár function (A074206).at n=29A307867
• Number of double-closed subsets of {1..n}.at n=26A308546
• a(0) = 1; for n > 0, a(n) = A000120(n) * a(n-A000120(n)), where A000120(n) is the binary weight of n.at n=43A320008
• Numbers k where Sum_{d | k} 1/rad(d) increases to a record.at n=40A322447
• Indices of records in A332042.at n=35A332043
• Values of Euler's totient phi for A050498.at n=15A339883
• Positive numbers m such that a record number of numbers k have m as the sum of divisors of k that have a square factor (A162296).at n=31A362402