51258
domain: N
Appears in sequences
- Number of integers k not exceeding 2^n such that the cube of number of divisors [A000005(k)] is larger than k.at n=33A056764
- Numbers k such that both the k-th and (k+1)-th primes have the same sum of digits squared but different sets of digits.at n=28A109183
- Triangle read by rows: T(n,k) is the coefficient A_k in the transformation Sum_{k=0..n} (k+1)*x^k = Sum_{k=0..n} A_k*(x-3)^k.at n=30A246799