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

210, 321, 420, 432, 531, 543, 630, 642, 654, 741, 753, 765, 840, 852, 864, 876, 951, 963, 975, 987, 1050, 1062, 1074, 1086, 1098, 1161, 1173, 1185, 1197, 1260, 1272, 1284, 1296, 1371, 1383, 1395, 1470, 1482, 1494, 1581, 1593, 1680, 1692, 1791, 1890

Offset: 0

Author

Rick L. Shepherd, May 22 2006

Keywords

• base
• nonn

Comments

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

Examples

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

Crossrefs

Cf. A119426, A010785, A034840.