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A193714 Positions of squares (A000290) in the union of squares and triangular numbers (A005214). 3
1, 3, 5, 8, 10, 12, 14, 16, 19, 21, 24, 26, 28, 31, 33, 36, 38, 40, 43, 45, 48, 50, 53, 55, 57, 60, 62, 65, 67, 69, 72, 74, 77, 79, 81, 83, 85, 88, 90, 93, 95, 97, 100, 102, 105, 107, 109, 112, 114, 117, 119, 122, 124, 126, 129, 131, 134, 136, 138, 141, 143 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A010052(A005214(a(n))) = 1.

LINKS

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

PROG

(Haskell)

import Data.List (elemIndex)

import Data.Maybe (fromJust)

a193714 n = a193714_list !! (n-1)

a193714_list =

   map ((+ 1) . fromJust . (`elemIndex` a005214_list)) $ tail a000290_list

CROSSREFS

Cf. A193715.

Sequence in context: A206909 A138829 A003265 * A184584 A342871 A191160

Adjacent sequences:  A193711 A193712 A193713 * A193715 A193716 A193717

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Aug 03 2011

STATUS

approved

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Last modified December 4 22:42 EST 2021. Contains 349526 sequences. (Running on oeis4.)