34840
domain: N
Appears in sequences
- Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite GME = Gmelinite (Na2,Ca)4 [ Al8Si16O48 ] . 24 H2O.at n=6A019018
- a(n) = 6th Fibonacci polynomial evaluated at 2^n.at n=3A020532
- Number of partitions in parts not of the form 25k, 25k+3 or 25k-3. Also number of partitions with at most 2 parts of size 1 and differences between parts at distance 11 are greater than 1.at n=44A036002
- Denominators of continued fraction convergents to sqrt(17).at n=5A041025
- Denominators of continued fraction convergents to sqrt(153).at n=11A041281
- Triangle read by rows: T(n,k) is number of Dyck n-paths with k UUDDs, 0 <= k <= n/2.at n=45A098978
- The n-th n-gonal number divisible by n.at n=12A117669
- Partial sums of A000149.at n=10A117869
- Solutions to the Pell equation x^2 - 17y^2 = 1 (y values).at n=3A121740
- a(n) = Fibonacci(6, n).at n=8A124152
- Numbers k such that k+1, k+3, k+7 and k+9 are all primes.at n=23A125855
- Triangle t(n,k) read by rows: fibonomial ratios c(n)/(c(k)*c(n-k)) where c are partial products of a generalized Fibonacci sequence with multiplier m=8.at n=22A172346
- Triangle t(n,k) read by rows: fibonomial ratios c(n)/(c(k)*c(n-k)) where c are partial products of a generalized Fibonacci sequence with multiplier m=8.at n=26A172346
- Numbers k such that k^2 + 1 = p*q, p and q prime with p == q (mod k).at n=7A180507
- Sum_{0<j<k<=n} s(k)-s(j), where s(j)=A002620(j) is the j-th quarter-square.at n=28A206806
- Antidiagonal sums of the convolution array A213841.at n=14A213843
- Number of nonnegative solutions to x^3 + y^3 + z^3 <= n^3.at n=36A224215
- Number T(n,k) of Dyck paths of semilength n having exactly k (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1); triangle T(n,k), n>=0, read by rows.at n=54A243752
- Number of Dyck paths of semilength n having exactly three (possibly overlapping) occurrences of the consecutive step pattern given by the binary expansion of n, where 1=U=(1,1) and 0=D=(1,-1).at n=7A243772
- Total sum of the left-to-right minima in all compositions of n into distinct parts.at n=23A336770