A187829 Numbers that when converted to hexadecimal and the letters are replaced by base 10 equivalents, result in the same number.
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 4494410, 4494411, 4494412, 4494413, 4494414, 4494415, 4715360, 4715361, 4715362, 4715363, 4715364, 4715365, 4715366, 4715367, 4715368, 4715369, 5660810, 5660811, 5660812, 5660813, 5660814, 5660815
Offset: 1
Examples
4494410 in hex is 44944A. Replacing A in the string results in 4494410.
Links
- Ross Millikan, Table of n, a(n) for n = 1..85
Programs
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Python
def hexmatch(inp): h=hex(inp) ho='' for i in h[2:]: if i=='a': ho+='10' elif i=='b' :ho+='11' elif i=='c' :ho+='12' elif i=='d' :ho+='13' elif i=='e' :ho+='14' elif i=='f' :ho+='15' else: ho +=i return ho def loop(start, stop): rec=100000000 for i in range(start, stop): val=int(hexmatch(i)) diff=val-i if diff==0: print(i, end=', ') loop(1, 5660816)