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A119427 Concatenation of 3 or more numbers in arithmetic progression with negative common difference. 1

%I #3 Mar 30 2012 17:36:44

%S 210,321,420,432,531,543,630,642,654,741,753,765,840,852,864,876,951,

%T 963,975,987,1050,1062,1074,1086,1098,1161,1173,1185,1197,1260,1272,

%U 1284,1296,1371,1383,1395,1470,1482,1494,1581,1593,1680,1692,1791,1890

%N Concatenation of 3 or more numbers in arithmetic progression with negative common difference.

%C This sequence, A119426 and the three-digit and larger terms of A010785 are subsequences of A034840.

%e 420 is the concatenation of 4, 2 and 0, which have common difference -2.

%Y Cf. A119426, A010785, A034840.

%K base,nonn

%O 0,1

%A _Rick L. Shepherd_, May 22 2006

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)