A082827 - OEIS

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A082827

Triangle read by rows in which the n-th row contains n numbers not included earlier whose concatenation forms a palindrome.

1, 2, 12, 3, 4, 43, 5, 6, 7, 65, 8, 9, 10, 11, 10198, 13, 14, 15, 16, 17, 161514131, 18, 19, 20, 21, 22, 23, 22212029181, 24, 25, 26, 27, 28, 29, 30, 3928272625242, 31, 32, 33, 34, 35, 36, 37, 38, 373635343332313, 39, 40, 41, 42, 44, 45, 46, 47, 48

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..54.

EXAMPLE

2 12

3 4 43

5 6 7 65

8 9 10 11 10198

13 14 15 16 17 161514131

...

CROSSREFS

Cf. A082828, A082829, A081612.

Sequence in context: A012626 A012629 A371589 * A290100 A302389 A072484

Adjacent sequences: A082824 A082825 A082826 * A082828 A082829 A082830

KEYWORD

base,easy,nonn,tabl

AUTHOR

Amarnath Murthy, Apr 22 2003

EXTENSIONS

Corrected and extended by David Wasserman, Oct 07 2004

STATUS

approved