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Search: id:A157465
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A157465 Numbers seen as squares with at most one missing digit in decimal representation. +0
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 (list; graph; listen)
OFFSET

1,3

COMMENT

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

R. Zumkeller, Table of n, a(n) for n = 1..1000

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: A102799 A059519 A163101 this_sequence A067942 A130176 A156541

Adjacent sequences: A157462 A157463 A157464 this_sequence A157466 A157467 A157468

KEYWORD

base,nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Mar 01 2009

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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