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A157465
Numbers seen as squares with at most one missing digit in decimal representation.
3
0, 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 14, 16, 19, 21, 22, 24, 25, 26, 28, 29, 31, 32, 34, 36, 40, 41, 44, 48, 49, 52, 56, 57, 59, 61, 62, 64, 65, 66, 67, 69, 72, 74, 76, 78, 79, 81, 84, 89, 90, 91, 96, 100, 102, 104, 108, 109, 115, 116, 121, 122, 124, 125, 126, 129, 136
OFFSET
1,3
COMMENTS
A157464(a(n)) > 0; A000290(n) is a subsequence;
A157466 gives numbers of these numbers <= n, A157466(a(n+1))=A157466(a(n))+1.
LINKS
EXAMPLE
Insert 5 into 200: 2500=50^2, therefore 200 is a term;
insert 4 into 201: 2401=49^2, therefore 201 is a term;
append 5 to 202: 2025=45^2, therefore 202 is a term.
CROSSREFS
Sequence in context: A371738 A059519 A163101 * A257247 A269164 A356899
KEYWORD
base,nonn
AUTHOR
Reinhard Zumkeller, Mar 01 2009
STATUS
approved