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A037042
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2-White numbers (take power 2, sum 2 digit groups to get same number).
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8
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OFFSET
| 0,3
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COMMENTS
| Also, apart from initial 0, the full list of 2-Kaprekar numbers.
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REFERENCES
| Italo Ghersi, Matematica dilettevole e curiosa, pag. 190, Hoepli, Milano, 1967 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Apr 22 2010]
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LINKS
| D. E. Iannucci, The Kaprekar numbers, J. Integer Sequences, Vol. 3, 2000, #1.2.
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EXAMPLE
| 45 is a 2-white numbers since 45^2=2025 and 20+25=45
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CROSSREFS
| Sequence in context: A167328 A116247 A168108 * A119208 A068812 A119071
Adjacent sequences: A037039 A037040 A037041 * A037043 A037044 A037045
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KEYWORD
| full,nonn,fini,base
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AUTHOR
| Erich Friedman (erich.friedman(AT)stetson.edu)
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