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A115446
Numbers k such that the square of k is the concatenation of two numbers m and m-8.
12
4623, 5378, 7981, 34953, 46866, 53135, 65048, 7056187, 9783460, 43176671, 56823330, 97999801, 447255476453, 552744523548, 755424659535, 799319866014, 997999998001, 4297663349524, 5702336650477, 6971253996228, 7574200549228, 8843117894979, 3505613322543666, 3757750389995601, 3948262973033353
OFFSET
1,1
LINKS
EXAMPLE
18642249_18642241 = 43176671^2.
KEYWORD
base,nonn
AUTHOR
Giovanni Resta, Jan 25 2006
EXTENSIONS
More terms from David A. Corneth, Jan 02 2021
STATUS
approved