id:A122955 - OEIS Search Results

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Powers of 5 such that although the number of digits is larger the sum of the digits is less than the previous power of 5.

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5, 11, 12, 13, 19, 25, 28, 29, 33, 35, 45, 46, 52, 53, 58, 59, 61, 62, 63, 65, 76, 78, 79, 81, 85, 88, 89, 91, 92, 95, 98, 101, 104, 108, 109, 114, 115, 116, 119, 125, 131, 136, 139, 144, 145, 158, 161, 162, 168, 169, 178, 179, 181, 184, 185, 189, 195, 197, 199, 207 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`Select[ Range@ 208, Floor[Log[10, 5^# ]] > Floor[Log[10, 5^(# - 1)]] && Plus @@ IntegerDigits[5^# ] < Plus @@ IntegerDigits[5^(# - 1)] &]`
	CROSSREFS	`Cf. A066001.` `Sequence in context: A095805 A034596 A166275 this_sequence A030318 A102175 A139200` `Adjacent sequences: A122952 A122953 A122954 this_sequence A122956 A122957 A122958`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 25 2006`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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