99994
domain: N
Appears in sequences
- a(n) is the largest number which can be formed with no zeros, using least number of digits and having digit sum = n.at n=39A061219
- Matrix square of triangle A104980.at n=49A104988
- Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 9.at n=7A116109
- Numbers k such that k concatenated with itself gives the product of two numbers which differ by 7.at n=8A116160
- Numbers k such that k * (k + 8) is the concatenation of two numbers m and m-7.at n=10A116244
- Numbers k such that k * (k + 7) is the concatenation of a number m with itself.at n=8A116291
- Expansion of g.f. x^3*(1 - x)/(1 - x - x^2 - x^3 - x^4 - x^5).at n=21A124312
- Scaled convolution of (n^3)*A000984(n) with A000984(n).at n=33A142962
- Numbers k such that if k = a*b, then a+b = reversal(k) for some integers a,b > 1.at n=21A161791
- Numbers that are the sum or product of two numbers, such that the sum and product have reversed digits.at n=13A166749
- a(n) = 10^n minus its binary weight.at n=5A218451