49097
domain: N
Appears in sequences
- a(n) = 34*n^2 + 1.at n=38A158586
- Engel expansion of the Dottie number, A003957.at n=17A182503
- Numbers n such that n'' = n'+1 where n' and n'' are respectively the first and the second arithmetic derivative of n (A003415).at n=13A189639
- Number of partitions of n whose minimal excluded multiplicity is odd.at n=46A300183
- Numbers k for which sigma(k) = k + k'', where k'' is the second derivative of k (A068346).at n=14A348426