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A062285 Numbers with the most significant digit even and alternating parity of digits. 4
0, 2, 4, 6, 8, 21, 23, 25, 27, 29, 41, 43, 45, 47, 49, 61, 63, 65, 67, 69, 81, 83, 85, 87, 89, 210, 212, 214, 216, 218, 230, 232, 234, 236, 238, 250, 252, 254, 256, 258, 270, 272, 274, 276, 278, 290, 292, 294, 296, 298, 410, 412, 414, 416, 418, 430, 432, 434, 436 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Index entries for 10-automatic sequences.

FORMULA

(1 - A000030(a(n)) mod 2) * A228710(a(n)) = 1. - Reinhard Zumkeller, Aug 31 2013

EXAMPLE

4325 is a member as the most significant digit is 4 (even) and the subsequent digits 3, 2, 5 are alternately odd and even.

PROG

(Haskell)

a062285 n = a062285_list !! (n-1)

a062285_list = filter (even . a000030) a030141_list

-- Reinhard Zumkeller, Aug 31 2013

CROSSREFS

Cf. A030142, A030143.

Sequence in context: A061651 A131122 A119261 * A079206 A265342 A230105

Adjacent sequences:  A062282 A062283 A062284 * A062286 A062287 A062288

KEYWORD

nonn,base,easy

AUTHOR

Amarnath Murthy, Jun 18 2001

EXTENSIONS

Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jun 19 2001

Offset corrected by and a(1)=0 prepended by Reinhard Zumkeller, Aug 31 2013

STATUS

approved

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Last modified June 25 12:55 EDT 2019. Contains 324352 sequences. (Running on oeis4.)