156248

Appears in sequences

• Triangle read by rows: T(n,k) = (n+1,k)-th element of (M^5-M)/4, where M is the infinite lower Pascal's triangle matrix, 1<=k<=n.at n=29A096039
• Number of palindromes (in base 5) below 5^n.at n=13A117864
• Numbers k that divide the base-5 reversal of k.at n=27A222816
• Numbers, a(n) where binomial(a(n), 5n-1) == 0 (mod 5) and binomial(a(n), k) != 0 (mod 5) for k != 5n - 1.at n=24A224251
• Starts of runs of 3 consecutive integers in which each member of the run has at least one divisor of the form p^e with p <= e, where p is a prime.at n=2A376469