20202
domain: N
Appears in sequences
- Sum of 12 nonzero 8th powers.at n=38A003390
- Numbers that are the sum of 9 positive 9th powers.at n=11A003398
- n written in fractional base 4/2.at n=42A024630
- Numbers that, when expressed in base 3 and then interpreted in base 10, yield a multiple of the original number.at n=32A032537
- Numbers that, when expressed in base 4 and then interpreted in base 10, yield a multiple of the original number.at n=35A032540
- Base-10 palindromes that start with 2.at n=24A043037
- Palindromes that are divisible by 6.at n=29A045641
- Palindromic even lucky numbers.at n=24A045960
- Palindromes with exactly 5 prime factors (counted with multiplicity).at n=25A046331
- Palindromes that are the product of 5 distinct primes.at n=2A046395
- Triangle inverse to that in A046899.at n=48A046900
- a(n) is the smallest palindrome > a(n-1) such that a(1)+a(2)+...+a(n) is a prime.at n=24A051934
- Distribution of maximum inversion table entry.at n=39A056151
- Number of integers q such that phiter(q)=n where phiter(n) = A064415(n).at n=12A064416
- Numbers n of the form k + reverse(k) for exactly two k.at n=39A072040
- a(1) = 1, a(n) = smallest palindrome not included earlier such that a(1)+...+a(n) is a palindrome.at n=39A073880
- Palindromic even numbers with an odd number of distinct prime factors.at n=22A075809
- Final terms of rows of A077529.at n=13A077530
- Smallest multiple of n using only digits 0 and 2.at n=20A078241
- Palindromes divisible by their digit sum.at n=42A082232