id:A138141 - OEIS Search Results

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Numbers with digits in ascending order that differ exactly by 1.

+0
3

1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 23, 34, 45, 56, 67, 78, 89, 123, 234, 345, 456, 567, 678, 789, 1234, 2345, 3456, 4567, 5678, 6789, 12345, 23456, 34567, 45678, 56789, 123456, 234567, 345678, 456789, 1234567, 2345678, 3456789, 12345678, 23456789, 123456789 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`This finite sequence has 45 members. The last member is 123456789. There are 10-k members with k digits. See A052017 for primes in this sequence. All members with 3 or more digits are stright-line numbers A135643.`
	CROSSREFS	`Cf. A052017, A059043, A135643, A138142.` `Sequence in context: A097569 A095160 A059043 this_sequence A001102 A051004 A032575` `Adjacent sequences: A138138 A138139 A138140 this_sequence A138142 A138143 A138144`
	KEYWORD	`base,easy,fini,full,nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Mar 19 2008`

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

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