Numbers k such that the sum of factorials of the digits of k equals the sum of the primes from the smallest prime factor of k to the largest prime factor of k.
A074256
Numbers k such that the sum of factorials of the digits of k equals the sum of the primes from the smallest prime factor of k to the largest prime factor of k.
Terms
- a(0) =2a(1) =242a(2) =1323a(3) =3200a(4) =13050a(5) =30000a(6) =42432a(7) =132300a(8) =426205a(9) =442244a(10) =620425a(11) =665353a(12) =1261645a(13) =1306254a(14) =1453032a(15) =1461363a(16) =1523340a(17) =1523466a(18) =2025012a(19) =2105334a(20) =2134350a(21) =2205102a(22) =2613504a(23) =2713421a(24) =3005264a(25) =3312400a(26) =3314520a(27) =3432000
External references
- oeis: A074256