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A116102
Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 2.
5
16, 1337032, 2084503, 2953232, 4023943, 1330033613070195328, 4036108433661798551, 8283744867954114232, 6247320195351414276186411625291, 9452080202814205132771066881607
OFFSET
1,1
EXAMPLE
4023943//4023935 = 6343455 * 6343457, where // denotes
concatenation.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Giovanni Resta, Feb 06 2006
STATUS
approved