# This is the b028985.txt text file. # A028985: Nonsquare palindromes whose sum of divisors is odd. # Stéphane Rézel, Table of n, a(n) for n=1..68 (terms 1..13 from sequence entry, terms 14..23 from Donovan Johnson, terms 24..68 from Stéphane Rézel). # Dated 27 January 2018. 1 2 2 8 3 242 4 20402 5 24642 6 2004002 7 2138312 8 2468642 9 85099058 10 200040002 11 204060402 12 242484242 13 291080192 14 20000400002 15 20442824402 16 24204840242 17 29956665992 18 88484148488 19 297738837792 20 2000004000002 21 2004006004002 22 2040608060402 23 2420048400242 24 8163248423618 25 200000040000002 26 200440282044002 27 204024080420402 28 242000484000242 29 270572232275072 30 880015525510088 31 20000000400000002 32 20004000600040002 33 20040420802404002 34 20402040804020402 35 24200004840000242 36 221908330033809122 37 2000000004000000002 38 2000440028200440002 39 2004006008006004002 40 2040200408040020402 41 2420000048400000242 42 2510537528257350152 43 2650523612163250562 44 8790407027207040978 45 8848496140416948488 46 22959371988917395922 47 23023343977934332032 48 200000000040000000002 49 200004000060000400002 50 200040402080204040002 51 200400240080042004002 52 204020004080400020402 53 242000000484000000242 54 263143385101583341362 55 20000000000400000000002 56 20000440002820004400002 57 20004004200800240040002 58 20040020400800402004002 59 20402000040804000020402 60 21901573304240337510912 61 24200000004840000000242 62 2000000000004000000000002 63 2000004000006000004000002 64 2000040400208020040400002 65 2000400060008000600040002 66 2004002004008004002004002 67 2040200000408040000020402 68 2420000000048400000000242