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A147523
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a(n) = number of n-digit terms in A058369.
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0
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3, 8, 37, 195, 1159, 6951, 42421, 261430, 1631123, 10238173, 64536808
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| a(1)=3: 0,1,9; a(2)=8: 10,18,19,45,46,55,90,99.
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CROSSREFS
| A058369 Numbers n such that n and n^2 have same digit sum. A004159 Sum of digits of n^2. A007953 Digital sum (i.e. sum of digits) of n.
Sequence in context: A111543 A188327 A024039 * A123981 A123985 A089066
Adjacent sequences: A147520 A147521 A147522 * A147524 A147525 A147526
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KEYWORD
| base,nonn
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AUTHOR
| Zak Seidov (zakseidov(AT)yahoo.com), Apr 25 2009
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EXTENSIONS
| a(9) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Dec 08 2009
a(10)-a(11) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Jul 31 2011
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