id:A105983 - OEIS Search Results

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Near-repdigit semiprimes with 2 as repeated digit.

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122, 202, 221, 226, 262, 422, 622, 922, 2122, 2227, 2229, 2722, 4222, 8222, 20222, 22223, 22226, 22262, 22322, 22522, 22622, 22822, 25222, 32222, 52222, 202222, 222221, 222223, 222242, 222422, 223222, 224222, 226222, 262222, 272222, 622222 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(2)=202 is a term because 202 is a semiprime and all digits are equal to 2 except one.`
	CROSSREFS	`Sequence in context: A077376 A138026 A077030 this_sequence A099154 A158131 A004925` `Adjacent sequences: A105980 A105981 A105982 this_sequence A105984 A105985 A105986`
	KEYWORD	`base,nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Apr 29 2005`

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.

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