34830
domain: N
Appears in sequences
- A triangle of numbers related to triangle A030526.at n=16A049353
- Numbers k such that k | sigma_9(k) - phi(k)^9.at n=33A055703
- Number of intersection points outside the n-gon of all lines through pairs of vertices of a regular n-gon.at n=27A146213
- a(n) = ( (5 + sqrt(6))^n - (5 - sqrt(6))^n )/(2*sqrt(6)).at n=5A154236
- Number of n X n arrays of squares of integers summing to 8.at n=2A159371
- Numbers n with property that 42*n+37 is in A175284.at n=17A175285
- Triangle read by rows, arising in study of alternating-sign matrices.at n=17A210697
- Triangle read by rows, arising in study of alternating-sign matrices.at n=18A210697
- Number of n-digit primes whose sum of digits is 7.at n=36A259144
- Numbers k such that phi(x) = 12*k+2 is solvable, where phi is Euler's totient A000010.at n=32A289364
- Triangle read by rows, coefficients of polynomials in t = log(x) of the n-th derivative of x^(x^3), evaluated at x = 1. T(n, k) with n >= 0 and 0 <= k <= n.at n=25A293474
- Solution of the complementary equation a(n) = 2*a(n-1) + b(n-1), where a(0) = 1, a(1) = 4, b(0) = 2, and (a(n)) and (b(n)) are increasing complementary sequences.at n=13A295056
- Number of ways to choose a multiset of values whose sum is n from the first floor(1+log_2(n)) rows of Pascal's triangle.at n=44A366120