40390

Appears in sequences

• Numbers that are the sum of 4 positive 9th powers.at n=11A003393
• Numbers that are the sum of at most 4 positive 9th powers.at n=30A004888
• a(n) gives smallest number requiring n iterations of the map i -> A053392(i) to reach zero.at n=37A060630
• Numbers k such that the first k binary digits found in the base-10 expansion of Pi form a prime (when the decimal point is ignored).at n=15A065832
• Numbers k such that triangular numbers T(k) and T(k+1) sum to another triangular number (that is also a perfect square).at n=6A076708
• Exponential Riordan array (e^x,A005043(x)).at n=40A185814
• n*(n^2-2*n-1).at n=34A214446
• Numbers n such that the sum of the triangular numbers T(n) and T(n+1) is equal to a hexagonal number H(m) for some m.at n=3A251924
• Numbers k such that Bernoulli number B_{k} has denominator 4686.at n=32A295770
• Number of binary words of length n such that in every prefix and in every suffix the number of 0's and the number of 1's differ by at most two.at n=20A306293
• Number of permutations of length n whose powers all avoid the pattern 132.at n=16A326762