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A045805 5-ish numbers (end in 51, 57, 93, 99). 1
51, 57, 93, 99, 151, 157, 193, 199, 251, 257, 293, 299, 351, 357, 393, 399, 451, 457, 493, 499, 551, 557, 593, 599, 651, 657, 693, 699, 751, 757, 793, 799, 851, 857, 893, 899, 951, 957, 993, 999, 1051, 1057, 1093, 1099, 1151, 1157, 1193, 1199, 1251, 1257 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..1000

FORMULA

Empirical G.f.: x*(51+6*x+36*x^2+6*x^3+x^4)/(1-x-x^4+x^5). [Colin Barker, Jan 23 2012]

PROG

(Haskell)

import Data.List (findIndices)

a045805 n = a045805_list !! (n-1)

a045805_list = findIndices (`elem` [51, 57, 93, 99]) $ cycle [0..99]

-- Reinhard Zumkeller, Jan 23 2012

CROSSREFS

Cf. A045800-A045809.

Cf. A045572, A045797, A045798.

Sequence in context: A060033 A273199 A095525 * A031410 A039387 A043210

Adjacent sequences:  A045802 A045803 A045804 * A045806 A045807 A045808

KEYWORD

nonn,base,easy

AUTHOR

J. H. Conway.

EXTENSIONS

More terms from Erich Friedman.

STATUS

approved

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Last modified April 23 18:15 EDT 2019. Contains 322387 sequences. (Running on oeis4.)